Part 1. Circle the letter of the phrase that best completes the sentence: An ele

Question

Part 1. Circle the letter of the phrase that best completes the sentence: An elevator is slowing down as it moves from the 4th to the 3rd floor. The work done by the force of gravity is:

a. positive and the work done by the net force is positive.

b. positive and the work done by the net force is negative.

c. negative and the work done by the net force is positive.

d. negative and the work done by the net force is negative.

Part 2. Provide all logical steps in the solution(s)/ answer(s).

A 22N crate is pulled over a horizontal surface by an applied force of 25 N directed 32

Explanation / Answer

part 1

(b)

as gravity and displacement are in same direction and net force is doing negative work because speed is decreasing.

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