Activity 9

Solve these problems:

Problem 1:

A man pushes a box for 10 m. To move the box, the man makes a 200 N force. Find the work done in the process.

Problem 2:

A person pulls a rope to lift an object from the floor. The height reached is 15 m, and the work done is 4500 J. Determine the force necessary to lift the object.

Problem 3:

A 400 N force is applied to move a motorbike doing 20.000 J of work in the process. Find the distance the motorbike has been moved.