Earth/ Physical Science Final

Front

The energy transferred when a force makes an object move is called?

Back

kinetic energy

Front

A device that makes doing work easier is called?

Back

simple machine

Front

The force that is applied to the machine is called?

Back

Input force

Front

The ratio of the output force to the input force can be described as:

Back

Mechanical advantage

Front

The measure of how much of the work put into a machine is changed into useful output work by the machine is called:

Back

efficiency

Front

What is a bar that is free to pivot or turn around a fixed point called?

Back

lever

Front

What is a grooved wheel with a rope, chain, or cable running along the groove called?

Back

pulley

Front

What can be described as simple machine consisting of a shaft or axle attached to the center of a large wheel called?

Back

wheel and axle

Front

A simple machine that has a sloping surface that reduces the amount of force required to do work is called? Options: Inclined plane, Curved plane, Horizontal plane, Vertical plane

Back

Inclined plane

Front

An inclined plane wrapped in a spiral around a cylindrical post

Back

screw