Work done is given by:

$\overline{){\mathbf{W}}{\mathbf{=}}{\mathbf{F}}{\mathbf{\xb7}}{\mathbf{d}}}$, where **F** is force and **d** is displacement.

**a.**

We've been given, F = 60 N

A student pulls a box 5.0 meters across a horizontal surface at a constant speed of 4.0 meters per second using a force of 60 newtons.

a. Calculate the amount of work done by the student

b. What type of energy is being produced by the work done by the student?

i. kinetic energy only

ii. potential energy and kinetic energy

iii. internal energy and kinetic energy

iv. internal energy only

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