Forces and motion 5.P.1.2.3.4 Review

Front

What is the force that keeps planets in orbit around the Sun?

Back

Gravity.

Front

What force pulls objects down toward the ground?

Back

Gravity.

Front

What happens to a toy car when it moves from a smooth surface to a carpet?

Back

Friction increases, causing the car to slow down.

Front

How do you calculate speed?

Back

Speed = Distance ÷ Time.

Front

If an object travels 700 meters in 10 seconds, what is its speed?

Back

70 meters per second.

Front

If an object travels 500 meters in 10 seconds, what is its speed?

Back

50 meters per second.

Front

How much faster is an object that travels 700 meters in 10 seconds compared to one that travels 500 meters in the same time?

Back

20 meters per second.

Front

What happens to the force needed to move an object if its mass doubles?

Back

The force needed to move the object would be doubled.

Front

What is friction?

Back

Friction is a force that opposes motion between two surfaces in contact.

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion.