Original SSN #3 - Review Packet

Front

What is the definition of 'Stationary'?

Back

An object is stationary when it is not moving and its position does not change over time.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.

Front

What does a velocity of 30 m/sec, East indicate?

Back

It indicates that the object is moving at a speed of 30 meters per second towards the east.

Front

What does a velocity of 45 m/sec, East indicate?

Back

It indicates that the object is moving at a speed of 45 meters per second towards the east.

Front

What does a graph showing an object slowing down look like?

Back

The graph typically shows a downward slope, indicating a decrease in speed over time.

Front

How do you calculate displacement?

Back

Displacement is calculated as the final position minus the initial position, taking direction into account.

Front

If a person walks 50 meters north and then 32 meters south, what is their displacement?

Back

The displacement is 18 meters north.

Front

What is the definition of 'Acceleration'?

Back

Acceleration is the rate of change of velocity of an object with respect to time.

Front

What is a scalar quantity? Give an example.

Back

A scalar quantity is a physical quantity that has magnitude only and no direction. Example: Speed.

Front

What is a vector quantity? Give an example.

Back

A vector quantity is a physical quantity that has both magnitude and direction. Example: Velocity.