To push a 3-kg crate up a frictionless incline angled at 20° to the horizontal, a worker exerts a force of120 N parallel to the incline. The crate moves a distance of 8 m, (useg = 10 m/s²).What work is done on the crate by the worker?Submit AnswerTries 0/3What work is done on the crate by gravity?Submit AnswerTries 0/3What is the work done on the crate due to the normal force of the inclined plane surface?Submit AnswerTries 0/3What is the net work done on the crate?Submit AnswerTries 0/3If the crate begins at rest, what is the final speed of the crate as it is moved from the bottom to the topof the inclined plane?m/s

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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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Question

To push a 3-kg crate up a frictionless incline angled at 20° to the horizontal, a worker exerts a force of
120 N parallel to the incline. The crate moves a distance of 8 m, (useg = 10 m/s²).
What work is done on the crate by the worker?
Submit Answer
Tries 0/3
What work is done on the crate by gravity?
Submit Answer
Tries 0/3
What is the work done on the crate due to the normal force of the inclined plane surface?
Submit Answer
Tries 0/3
What is the net work done on the crate?
Submit Answer
Tries 0/3
If the crate begins at rest, what is the final speed of the crate as it is moved from the bottom to the top
of the inclined plane?
m/s

Expert Solution

Step 1

Given:-

mass of crate m= 3 kg

$θ$ =20^o

F= 120 N

d= 1.50 m

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