A person pulls a wooden crate with mass 17.5 kg across a wooden floor 5.00 m. The person applies the force at an angle of 35.0 ° above horizontal. You can assume that the coefficients of friction for wood on wood are 0.300 and 0.500. a) Calculate the minimum force the person must exert to get the crate moving. Select an answer b) If the person keeps pulling the crate with the same force after the crate starts sliding, what will be its acceleration? Select an answer c) How much work does the person do on the crate? Select an answer v

A person pulls a wooden crate with mass 17.5 kg across a wooden floor 5.00 m. The person applies the force at an angle of 35.0 ° above horizontal. You can assume that the coefficients of friction for wood on wood are 0.300 and 0.500. a) Calculate the minimum force the person must exert to get the crate moving. Select an answer b) If the person keeps pulling the crate with the same force after the crate starts sliding, what will be its acceleration? Select an answer c) How much work does the person do on the crate? Select an answer v

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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Concept explainers

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

Question

A person pulls a wooden crate with mass 17.5 kg across a wooden floor 5.00 m. The person applies the
force at an angle of 35.0 ° above horizontal. You can assume that the coefficients of friction for wood on
wood are 0.300 and 0.500.
a) Calculate the minimum force the person must exert to get the crate moving.
Select an answer v
b) If the person keeps pulling the crate with the same force after the crate starts sliding, what will be its
acceleration?
Select an answer
c) How much work does the person do on the crate?
Select an answer v

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