To draw: Simple sketches showing a person stretching a spring. Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work.

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Answer 1

Question

Chapter 7.1, Problem 1C

(1)

Summary Introduction

To draw: Simple sketches showing a person stretching a spring.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work.

(2)

Summary Introduction

To draw: Simple sketches showing the stretched spring.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work. When the work is done, energy is transferred from one form to another form or between systems. Energy is generally expressed in units of work that is kilojoules (kJ). Energy can also be expressed in units of heat energy, that is, kilocalories (kcal).

(3)

Summary Introduction

To draw: Simple sketches showing the release of tension.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work. When the work is done, energy is transferred from one form to another form or between systems. Energy is generally expressed in units of work that is kilojoules (kJ). Energy can also be expressed in units of heat energy, that is, kilocalories (kcal).

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A) Describe the difference between strength and power during a squat. Provide a quantitative example that illustrates the difference. B) During a squat, the weight you have on your shoulders has a certain amount of gravitational potential energy. As you squat down and come to a stop at the bottom of the squat, some of that energy is lost. Where does it go?

Detail the structure and function of a motor unit.

2. We discussed how muscle spindles allow for precision of movement as a muscle lengthens, and particular muscles which require more precise movements will contain more spindles. In addition to this precision control over muscle length, there are other differences between muscles which enable more precision in how much force is generated. Consider the two graphs below which depict force generated by two different muscles as additional motor units are recruited. Force Muscle A Load Force Muscle B Load a) Describe why the first steps for a low force contraction in both muscles are smaller than the later ones in the context of motor units and force production.

Answer 2

Question

Chapter 7.1, Problem 1C

(1)

Summary Introduction

To draw: Simple sketches showing a person stretching a spring.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work.

(2)

Summary Introduction

To draw: Simple sketches showing the stretched spring.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work. When the work is done, energy is transferred from one form to another form or between systems. Energy is generally expressed in units of work that is kilojoules (kJ). Energy can also be expressed in units of heat energy, that is, kilocalories (kcal).

(3)

Summary Introduction

To draw: Simple sketches showing the release of tension.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work. When the work is done, energy is transferred from one form to another form or between systems. Energy is generally expressed in units of work that is kilojoules (kJ). Energy can also be expressed in units of heat energy, that is, kilocalories (kcal).

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Answer 3

Question

Chapter 7.1, Problem 1C

(1)

Summary Introduction

To draw: Simple sketches showing a person stretching a spring.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work.

(2)

Summary Introduction

To draw: Simple sketches showing the stretched spring.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work. When the work is done, energy is transferred from one form to another form or between systems. Energy is generally expressed in units of work that is kilojoules (kJ). Energy can also be expressed in units of heat energy, that is, kilocalories (kcal).

(3)

Summary Introduction

To draw: Simple sketches showing the release of tension.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work. When the work is done, energy is transferred from one form to another form or between systems. Energy is generally expressed in units of work that is kilojoules (kJ). Energy can also be expressed in units of heat energy, that is, kilocalories (kcal).

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Answer 4

Question

Chapter 7.1, Problem 1C

(1)

Summary Introduction

To draw: Simple sketches showing a person stretching a spring.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work.

(2)

Summary Introduction

To draw: Simple sketches showing the stretched spring.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work. When the work is done, energy is transferred from one form to another form or between systems. Energy is generally expressed in units of work that is kilojoules (kJ). Energy can also be expressed in units of heat energy, that is, kilocalories (kcal).

(3)

Summary Introduction

To draw: Simple sketches showing the release of tension.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work. When the work is done, energy is transferred from one form to another form or between systems. Energy is generally expressed in units of work that is kilojoules (kJ). Energy can also be expressed in units of heat energy, that is, kilocalories (kcal).

Expert Solution & Answer

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Answer 5

Chapter 7.1, Problem 1C

(1)

Summary Introduction

To draw: Simple sketches showing a person stretching a spring.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work.

(2)

Summary Introduction

To draw: Simple sketches showing the stretched spring.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work. When the work is done, energy is transferred from one form to another form or between systems. Energy is generally expressed in units of work that is kilojoules (kJ). Energy can also be expressed in units of heat energy, that is, kilocalories (kcal).

(3)

Summary Introduction

To draw: Simple sketches showing the release of tension.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work. When the work is done, energy is transferred from one form to another form or between systems. Energy is generally expressed in units of work that is kilojoules (kJ). Energy can also be expressed in units of heat energy, that is, kilocalories (kcal).

Answer 6

Chapter 7.1, Problem 1C

(1)

Summary Introduction

To draw: Simple sketches showing a person stretching a spring.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work.

Answer 7

Chapter 7.1, Problem 1C

(1)

Summary Introduction

To draw: Simple sketches showing a person stretching a spring.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work.

Answer 8

(2)

Summary Introduction

To draw: Simple sketches showing the stretched spring.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work. When the work is done, energy is transferred from one form to another form or between systems. Energy is generally expressed in units of work that is kilojoules (kJ). Energy can also be expressed in units of heat energy, that is, kilocalories (kcal).

Answer 9

(2)

Summary Introduction

To draw: Simple sketches showing the stretched spring.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work. When the work is done, energy is transferred from one form to another form or between systems. Energy is generally expressed in units of work that is kilojoules (kJ). Energy can also be expressed in units of heat energy, that is, kilocalories (kcal).

Answer 10

(3)

Summary Introduction

To draw: Simple sketches showing the release of tension.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work. When the work is done, energy is transferred from one form to another form or between systems. Energy is generally expressed in units of work that is kilojoules (kJ). Energy can also be expressed in units of heat energy, that is, kilocalories (kcal).

Answer 11

(3)

Summary Introduction

To draw: Simple sketches showing the release of tension.

Introduction: Energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and they also have the mechanisms to alter energy from one form to another form. Energy is defined as the capability to do work. When the work is done, energy is transferred from one form to another form or between systems. Energy is generally expressed in units of work that is kilojoules (kJ). Energy can also be expressed in units of heat energy, that is, kilocalories (kcal).

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 7.1 - Define energy, emphasizing how it is related to...Ch. 7.1 - Use examples to contrast potential energy and...Ch. 7.1 - Prob. 1C Ch. 7.2 - Prob. 3LO Ch. 7.2 - Prob. 1C Ch. 7.2 - Life is sometimes described as a constant struggle...Ch. 7.3 - Prob. 4LO Ch. 7.3 - Prob. 5LO Ch. 7.3 - Prob. 6LO Ch. 7.3 - Prob. 1C

Solution Summary: The author explains that energy is necessary for all living organisms to perform their life processes. Living cells obtain energy in a different form and have the mechanisms to alter energy from one form to another form.

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