The lever component identification chart. Introduction: The movement of the body and its joints are possible through skeletal muscles. The joint movement of the human body is caused by contractions of the muscles, which also gives the body protection and dynamic stability. Moreover, along with bones the muscles also give posture to the body.

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Answer 1

Question

Chapter 3, Problem 1RLE

Summary Introduction

To list: The lever component identification chart.

Introduction: The movement of the body and its joints are possible through skeletal muscles. The joint movement of the human body is caused by contractions of the muscles, which also gives the body protection and dynamic stability. Moreover, along with bones the muscles also give posture to the body.

Expert Solution & Answer

Explanation of Solution

Lever class	Example	Force	Axis	Resistance	Advantage provided
1^st	Carrying a glass of water in one hand	Fingers and thumbs push opposite direction upwards	palm	Glass weight pushes downwards due to gravity	Balancing glass from falling
1^st	Inserting thumb tack in bulletin board with finger nail	Thumb tack is pushed out by finger nail	Dorsal aspect of the finger nail towards the bulletin board	Thumb tack in the board	Force motion
2^nd	Lifting one end of the table	Lifting end of the table	Table legs on other end of table	Weight of the table	Force motion
2^nd	Opening door by the door edge	Pulling edge of the door	Door is hinged	Door	Force motion
3^rd	Serving volleyball	Arm is in forward motion	Shoulder	Ball	Range and speed of motion
3^rd	Throwing a bowling ball	Arm is in forward motion	Shoulder	Ball	Range and speed of motion

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Answer 2

Question

Chapter 3, Problem 1RLE

Summary Introduction

To list: The lever component identification chart.

Introduction: The movement of the body and its joints are possible through skeletal muscles. The joint movement of the human body is caused by contractions of the muscles, which also gives the body protection and dynamic stability. Moreover, along with bones the muscles also give posture to the body.

Expert Solution & Answer

Explanation of Solution

Lever class	Example	Force	Axis	Resistance	Advantage provided
1^st	Carrying a glass of water in one hand	Fingers and thumbs push opposite direction upwards	palm	Glass weight pushes downwards due to gravity	Balancing glass from falling
1^st	Inserting thumb tack in bulletin board with finger nail	Thumb tack is pushed out by finger nail	Dorsal aspect of the finger nail towards the bulletin board	Thumb tack in the board	Force motion
2^nd	Lifting one end of the table	Lifting end of the table	Table legs on other end of table	Weight of the table	Force motion
2^nd	Opening door by the door edge	Pulling edge of the door	Door is hinged	Door	Force motion
3^rd	Serving volleyball	Arm is in forward motion	Shoulder	Ball	Range and speed of motion
3^rd	Throwing a bowling ball	Arm is in forward motion	Shoulder	Ball	Range and speed of motion

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Answer 3

Question

Chapter 3, Problem 1RLE

Summary Introduction

To list: The lever component identification chart.

Introduction: The movement of the body and its joints are possible through skeletal muscles. The joint movement of the human body is caused by contractions of the muscles, which also gives the body protection and dynamic stability. Moreover, along with bones the muscles also give posture to the body.

Expert Solution & Answer

Explanation of Solution

Lever class	Example	Force	Axis	Resistance	Advantage provided
1^st	Carrying a glass of water in one hand	Fingers and thumbs push opposite direction upwards	palm	Glass weight pushes downwards due to gravity	Balancing glass from falling
1^st	Inserting thumb tack in bulletin board with finger nail	Thumb tack is pushed out by finger nail	Dorsal aspect of the finger nail towards the bulletin board	Thumb tack in the board	Force motion
2^nd	Lifting one end of the table	Lifting end of the table	Table legs on other end of table	Weight of the table	Force motion
2^nd	Opening door by the door edge	Pulling edge of the door	Door is hinged	Door	Force motion
3^rd	Serving volleyball	Arm is in forward motion	Shoulder	Ball	Range and speed of motion
3^rd	Throwing a bowling ball	Arm is in forward motion	Shoulder	Ball	Range and speed of motion

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Answer 4

Question

Chapter 3, Problem 1RLE

Summary Introduction

To list: The lever component identification chart.

Introduction: The movement of the body and its joints are possible through skeletal muscles. The joint movement of the human body is caused by contractions of the muscles, which also gives the body protection and dynamic stability. Moreover, along with bones the muscles also give posture to the body.

Expert Solution & Answer

Explanation of Solution

Lever class	Example	Force	Axis	Resistance	Advantage provided
1^st	Carrying a glass of water in one hand	Fingers and thumbs push opposite direction upwards	palm	Glass weight pushes downwards due to gravity	Balancing glass from falling
1^st	Inserting thumb tack in bulletin board with finger nail	Thumb tack is pushed out by finger nail	Dorsal aspect of the finger nail towards the bulletin board	Thumb tack in the board	Force motion
2^nd	Lifting one end of the table	Lifting end of the table	Table legs on other end of table	Weight of the table	Force motion
2^nd	Opening door by the door edge	Pulling edge of the door	Door is hinged	Door	Force motion
3^rd	Serving volleyball	Arm is in forward motion	Shoulder	Ball	Range and speed of motion
3^rd	Throwing a bowling ball	Arm is in forward motion	Shoulder	Ball	Range and speed of motion

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Answer 5

Chapter 3, Problem 1RLE

Summary Introduction

To list: The lever component identification chart.

Introduction: The movement of the body and its joints are possible through skeletal muscles. The joint movement of the human body is caused by contractions of the muscles, which also gives the body protection and dynamic stability. Moreover, along with bones the muscles also give posture to the body.

Expert Solution & Answer

Explanation of Solution

Lever class	Example	Force	Axis	Resistance	Advantage provided
1^st	Carrying a glass of water in one hand	Fingers and thumbs push opposite direction upwards	palm	Glass weight pushes downwards due to gravity	Balancing glass from falling
1^st	Inserting thumb tack in bulletin board with finger nail	Thumb tack is pushed out by finger nail	Dorsal aspect of the finger nail towards the bulletin board	Thumb tack in the board	Force motion
2^nd	Lifting one end of the table	Lifting end of the table	Table legs on other end of table	Weight of the table	Force motion
2^nd	Opening door by the door edge	Pulling edge of the door	Door is hinged	Door	Force motion
3^rd	Serving volleyball	Arm is in forward motion	Shoulder	Ball	Range and speed of motion
3^rd	Throwing a bowling ball	Arm is in forward motion	Shoulder	Ball	Range and speed of motion

Answer 6

Chapter 3, Problem 1RLE

Summary Introduction

To list: The lever component identification chart.

Introduction: The movement of the body and its joints are possible through skeletal muscles. The joint movement of the human body is caused by contractions of the muscles, which also gives the body protection and dynamic stability. Moreover, along with bones the muscles also give posture to the body.

Expert Solution & Answer

Explanation of Solution

Lever class	Example	Force	Axis	Resistance	Advantage provided
1^st	Carrying a glass of water in one hand	Fingers and thumbs push opposite direction upwards	palm	Glass weight pushes downwards due to gravity	Balancing glass from falling
1^st	Inserting thumb tack in bulletin board with finger nail	Thumb tack is pushed out by finger nail	Dorsal aspect of the finger nail towards the bulletin board	Thumb tack in the board	Force motion
2^nd	Lifting one end of the table	Lifting end of the table	Table legs on other end of table	Weight of the table	Force motion
2^nd	Opening door by the door edge	Pulling edge of the door	Door is hinged	Door	Force motion
3^rd	Serving volleyball	Arm is in forward motion	Shoulder	Ball	Range and speed of motion
3^rd	Throwing a bowling ball	Arm is in forward motion	Shoulder	Ball	Range and speed of motion

Answer 7

Chapter 3, Problem 1RLE

Summary Introduction

To list: The lever component identification chart.

Introduction: The movement of the body and its joints are possible through skeletal muscles. The joint movement of the human body is caused by contractions of the muscles, which also gives the body protection and dynamic stability. Moreover, along with bones the muscles also give posture to the body.

Answer 8

Expert Solution & Answer

Explanation of Solution

Lever class	Example	Force	Axis	Resistance	Advantage provided
1^st	Carrying a glass of water in one hand	Fingers and thumbs push opposite direction upwards	palm	Glass weight pushes downwards due to gravity	Balancing glass from falling
1^st	Inserting thumb tack in bulletin board with finger nail	Thumb tack is pushed out by finger nail	Dorsal aspect of the finger nail towards the bulletin board	Thumb tack in the board	Force motion
2^nd	Lifting one end of the table	Lifting end of the table	Table legs on other end of table	Weight of the table	Force motion
2^nd	Opening door by the door edge	Pulling edge of the door	Door is hinged	Door	Force motion
3^rd	Serving volleyball	Arm is in forward motion	Shoulder	Ball	Range and speed of motion
3^rd	Throwing a bowling ball	Arm is in forward motion	Shoulder	Ball	Range and speed of motion

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

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