Question

A person pulls a block 3 m along a horizontal surface by a constant force F=20 N. Determine the work done by force F acting on the block.

Answer 1

Take into account that the work done is given by the following formula:

`W=F\cdot d`

where,

F: applied force = 20N

d: distance = 3m

Replace the previous values into the formula for W:

`W=(20N)(3m)=60J`

Hence, the work done by the person is 60J