Patterns of Motion & Friction

Front

What causes the pendulums to form neat patterns?

Back

Different length of strings.

Front

What is the purpose of the air in air hockey?

Back

Reduces friction.

Front

Patterns of motion can be used to _________.

Back

Make predictions.

Front

What part of a car increases friction?

Back

Tires.

Front

What is resistance to motion called?

Back

Friction.

Front

What is friction?

Back

Friction is the resistance that one surface or object encounters when moving over another.

Front

What is gravity?

Back

Gravity is a force that pulls objects toward each other, like the Earth pulling us down.

Front

How does the length of a pendulum affect its motion?

Back

A longer pendulum swings more slowly, while a shorter pendulum swings more quickly.

Front

What is an example of a situation where friction is helpful?

Back

Friction helps us walk without slipping.

Front

What is an example of a situation where friction is not helpful?

Back

Friction can slow down a car, making it harder to move.