Semester Review

Front

What is the action force when a player catches a ball?

Back

The impact of the ball against the player's glove.

Front

What is the reaction force when a player catches a ball?

Back

The force of the glove exerts on the ball.

Front

What formula do we use to calculate the initial horizontal velocity of a ball launched at an angle?

Back

50.0 cos 37.5°

Front

What is total displacement?

Back

The shortest distance from the initial to the final position, considering direction.

Front

What is the difference between velocity and speed?

Back

Speed is how fast an object is moving, while velocity is speed in a specific direction.

Front

What happens to an object when it is acted on by an unbalanced force?

Back

The object will move in the same direction as the stronger force.

Front

Define displacement.

Back

Displacement is the vector quantity that refers to the change in position of an object.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.

Front

What is an unbalanced force?

Back

An unbalanced force is a force that causes an object to accelerate or change its motion.

Front

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

Back

Newton (N).