A 935 N crate rests on the floor.(a) How much work by a "push" force exerted by you is required to move it at constant speed 4.1 m along the floor against a friction force of 180 N?(b) How much work by a push force exerted by you is required to move it at constant speed 4.1 m vertically?(c) What is the net work done on the block for case (a)?(d) What is the net work done on the block for case (b)?Please answer a, b, c, and d, as they all go along with each other in this one problem

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Asked Feb 4, 2020
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A 935 N crate rests on the floor.

(a) How much work by a "push" force exerted by you is required to move it at constant speed 4.1 m along the floor against a friction force of 180 N?

(b) How much work by a push force exerted by you is required to move it at constant speed 4.1 m vertically?

(c) What is the net work done on the block for case (a)?

(d) What is the net work done on the block for case (b)?

Please answer a, b, c, and d, as they all go along with each other in this one problem

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Expert Answer

Step 1

The weight of the crate,

Physics homework question answer, step 1, image 1
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Step 2

(a)

In this case, the force needed to push the crate is equal to friction force.

The friction force,

Physics homework question answer, step 2, image 1
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Step 3

Displacement of t...

Physics homework question answer, step 3, image 1
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