A roller is pushed with a force of 100 N along its handle, which is at an angle of 60 degrees with the horizontal. Find the work done in moving it through 20 m?

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asked Jan 13, 2022 169k views

4 votes

A roller is pushed with a force of 100 N along its handle, which is at an angle of 60 degrees with the horizontal. Find the work done in moving it through 20 m?

Physics
high-school

Vael Victus asked

by Vael Victus

5.1k points

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1 Answer

5 votes

Answer:

1 kJ

Step-by-step explanation:

By definition of work,
$W = \vec F \cdot \vec x = |\vec F| |\vec x| cos\angle Fx$ . Let's replace the values:
$W = 100N\cdot 20m \cdot cos 60 = 1000 J$