Simple Machines

Front

A simple machine that splits an object apart is a _______.

Back

wedge

Front

Which of the following is NOT one of the things a machine can do?

Back

Changes the amount of work done.

Front

A doorknob is a simple machine made up of 2 circular objects of different sizes. What type of simple machine is being used?

Back

wheel and axle

Front

If you push a cart with a force of 60 N for 2 m, how much work have you done?

Back

120 J

Front

The bow or front of a boat splits the water as the boat moves. What kind of simple machine would the bow of the boat be?

Back

wedge

Front

What is a simple machine?

Back

A device that makes work easier by allowing us to push or pull over increased distances.

Front

Name the six types of simple machines.

Back

Lever, Inclined Plane, Wedge, Screw, Pulley, Wheel and Axle.

Front

What is the purpose of a lever?

Back

To amplify force or change the direction of force.

Front

How does an inclined plane help in lifting objects?

Back

It reduces the amount of force needed to lift an object by spreading the effort over a longer distance.

Front

What is work in physics?

Back

Work is done when a force causes an object to move in the direction of the force.