A crate that has a mass of 20 kg is raised 10 meters above the ground. How much potential point energy does it have at that point? PE = m xg x h g = 9.8 m/s^2 200 joules 100 joules O 1960 joules 60000 joules You push a lawn mower through a distance of 10m with a force of 120 N. How much work was 1 point done?
A crate that has a mass of 20 kg is raised 10 meters above the ground. How much potential point energy does it have at that point? PE = m xg x h g = 9.8 m/s^2 200 joules 100 joules O 1960 joules 60000 joules You push a lawn mower through a distance of 10m with a force of 120 N. How much work was 1 point done?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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![### Physics and Work-Energy Calculations
#### Understanding Potential Energy
1. **Question:** A crate that has a mass of 20 kg is raised 10 meters above the ground. How much potential energy does it have at that point?
**Formula for Potential Energy (PE):**
\[
PE = m \times g \times h
\]
where
- \( m = \) mass (in kilograms, \( kg \))
- \( g = \) acceleration due to gravity (approximately \( 9.8 \, m/s^2 \))
- \( h = \) height (in meters, \( m \))
**Options:**
- \( 200 \) joules
- \( 100 \) joules
- \( 1960 \) joules
- \( 60000 \) joules
2. **Question:** You push a lawn mower through a distance of 10 meters with a force of 120 Newtons. How much work was done?
**Formula for Work (W):**
\[
W = F \times d
\]
where
- \( F = \) force (in newtons, \( N \))
- \( d = \) distance (in meters, \( m \))
Both questions assess understanding of fundamental physics concepts related to energy and force. Reviewing and correctly applying these equations will ensure successful calculation of the required quantities.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F22669dcb-6798-43be-8ff0-24cc59147696%2F8cf84915-71eb-4c70-87cb-80d7bcf6f360%2Fjpjlbod_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Physics and Work-Energy Calculations
#### Understanding Potential Energy
1. **Question:** A crate that has a mass of 20 kg is raised 10 meters above the ground. How much potential energy does it have at that point?
**Formula for Potential Energy (PE):**
\[
PE = m \times g \times h
\]
where
- \( m = \) mass (in kilograms, \( kg \))
- \( g = \) acceleration due to gravity (approximately \( 9.8 \, m/s^2 \))
- \( h = \) height (in meters, \( m \))
**Options:**
- \( 200 \) joules
- \( 100 \) joules
- \( 1960 \) joules
- \( 60000 \) joules
2. **Question:** You push a lawn mower through a distance of 10 meters with a force of 120 Newtons. How much work was done?
**Formula for Work (W):**
\[
W = F \times d
\]
where
- \( F = \) force (in newtons, \( N \))
- \( d = \) distance (in meters, \( m \))
Both questions assess understanding of fundamental physics concepts related to energy and force. Reviewing and correctly applying these equations will ensure successful calculation of the required quantities.
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