Force and Motion

Front

If no force is being applied to a stationary object, the object will...

Back

remain stationary.

Front

What is the meaning of acceleration?

Back

any change in the speed or direction of an object.

Front

If the man and the ball travels 90 m in 9 seconds, what is their average speed?

Back

10 m/s.

Front

______________________ is any push or pull on an object.

Back

Force.

Front

A force that opposes motion is...

Back

friction.

Front

What is Newton's First Law of Motion?

Back

An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a net external force.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

What is the unit of force in the International System of Units (SI)?

Back

Newton (N).

Front

What is gravitational force?

Back

The force of attraction between two masses.