Simple Machines

Question 1

Which is a result of using a machine?

Revolt · Accepted Answer

D: A large force can be exerted through a short distance to have a small force exerted through a long distance.

Question 2

Which statement best describes why a machine is useful?

Question 3

A machine has a mechanical advantage of 5. What force should be applied to the machine to make it apply 3000 N to an object?

Question 4

A machine has an efficiency of 70%. How much work does the machine do when 20,000 J of work is done on it?

Question 5

What is the mechanical advantage of a machine that applies a force of 1000 N to an object when a force of 500 N is applied to the machine?

Simple Machines Answers