A worker pushing a 35.0-kg wooden crate at a constant speed for 9.7 m along a wo

Question

A worker pushing a 35.0-kg wooden crate at a constant speed for 9.7 m along a wood floor does 370 J of work by applying a constant horizontal force of magnitude F on the crate.

(a) Determine the value of F.
N
(b) If the worker now applies a force greater than F, describe the subsequent motion of the crate.

The crate would slow and come to rest.The crate's speed would remain constant over time.    The crate's speed would increase with time.

(c) Describe what would happen to the crate if the applied force is less than F.

The crate's speed would remain constant over time.The crate would slow and come to rest.    The crate's speed would increase with time.

Explanation / Answer

(a)370/9.7 = 38.14 N

(b)The crate's speed would increase with time

(c)The crate's speed would increase with time(as long as F is positive)

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