# Question #e5993

##### 1 Answer

Jun 15, 2015

#### Answer:

The work done on the box is equal to **705 J**.

#### Explanation:

They key to problems in which objects are being acted upon by a force *at an angle* with the horizontal is to realize that only the **horizontal component** of this force, i.e. the one *parallel* to the displacement, does the work.

Since no mention of friction is made, you can safely assume that the box has a frictionless motion. If you take *horizontal*, then the **horizontal component** of the force will be

This means that work, which is done everytime a force acts through a *distance*, will be equal to

Plug in your values to get