Module 4 Assessment

As a machine changes the size of the force the distance through which the force is exerted __________

• must also change.

• does not change.

• stays the same.

If a simple machine decreases the force on an object, the distance will ______.

• also decrease.

• increase.

• stays the same.

The formula for work is ______.

• force x distance.

• force + distance.

• force/distance.

By using a ramp to increase the distance an object has to travel, we are _______ the amount of force required.

• multiplying

• increasing

• decreasing

Which is an example of someone using a simple machine to do work?

• a boy runs across a field

• a mother pushes a stroller up a ramp into a building

• a girl eats a sandwich