Force and Motion, Direction and Motion NC EOG prep 5th

Front

What is average speed?

Back

Average speed is the total distance traveled divided by the total time taken. It is measured in units like km/hour.

Front

How do unbalanced forces affect motion?

Back

Unbalanced forces can change the speed and direction of an object, causing it to start moving, stop, or change its position.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.

Front

What does a velocity-time graph represent?

Back

A velocity-time graph shows how the velocity of an object changes over time.

Front

What is positive acceleration?

Back

Positive acceleration occurs when an object's speed increases over time.

Front

What is constant velocity?

Back

Constant velocity means an object is moving at the same speed and in the same direction.

Front

What are balanced forces?

Back

Balanced forces are equal in size and opposite in direction, resulting in no change in motion.

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 direction.

Front

What happens to an object at rest when unbalanced forces act on it?

Back

An object at rest will start to move when unbalanced forces act on it.

Front

What is the unit of speed?

Back

The unit of speed is typically meters per second (m/s) or kilometers per hour (km/h).