Force and Motion

Front

What is force?

Back

A push or a pull.

Front

What does a straight line on a distance-time graph indicate?

Back

Moving away from the starting point at a constant speed.

Front

What does it mean when an object is moving at a constant speed?

Back

The object is covering equal distances in equal intervals of time.

Front

What pulls a ball back to Earth?

Back

Gravity.

Front

What is speed?

Back

A measurement of distance over time.

Front

What is acceleration?

Back

The rate of change of velocity over time.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity (magnitude only), while velocity is a vector quantity (magnitude and direction).

Front

What is friction?

Back

A force that opposes motion between two surfaces in contact.

Front

What is inertia?

Back

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

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.