Question

Suppose you want to calculate how much work it

takes to life a 180 N barbell. Besides the mass of the
a
barbell, what other information do you need to

Answer 1

Mass is not necessary the main thing we need is Displacement

As

• W=FD

Or

• Work done=Force×Displacement

The amount of work done is calculated as the force exerted to remove a object to D distance .