Question

A string is used to pull a wooden block across the floor without accelerating the block. The string makes an angle to the horizontal as shown below

Does the force applied via the string do work on the block?

Answer 1

Answer: Yes

Explanation: The block moves a distance d under the influence of the force, so work is done by the force. Note that since the object is not accelerating, there is another force present, most likely friction.

b.