Ch. 11: Vocabulary Flashcard

Front

The fixed point at which a lever moves is the

Back

fulcrum.

Front

A bus traveled 35 kilometers in one hour. What was the speed of the bus?

Back

35 kilometers per hour

Front

When is potential energy changed into kinetic energy?

Back

A sled moves down a hill.

Front

When one team in a tug of war pulls harder on the rope than the other team does, the forces are

Back

unbalanced.

Front

The position of an object is its

Back

location.

Front

The force that occurs when one object rubs against another object is

Back

friction.

Front

The ramp on the back of a truck is a simple machine called a(n)

Back

inclined plane.

Front

When you rub your hands together, some energy of motion is changed to

Back

heat.

Front

If you want to measure the distance between two books on your desk, you would use a(n):
- barometer
- ruler
- clock
- thermometer

Back

ruler

Front

An example of a change in motion caused by a contact force is

Back

hitting a baseball with a bat.