<strong>Understanding Acceleration and Motion</strong>

What is the meaning of acceleration?

• Moving at the same speed without change

• The process of stopping completely

• A change in speed over time

• Moving in a straight line without stopping

What is positive acceleration?

• When an object slows down

• When an object speeds up

• When an object moves in circles

• When an object stops moving

What is another name for negative acceleration?

• Constant motion

• Speeding up

• Deceleration

• Momentum

Which of the following is an example of constant speed?

• A car stopping at a red light

• A train slowing down at a station

• A plane flying steadily at 500 mph

• A bicycle speeding up downhill

How does momentum affect an object in motion?

• It helps the object stop immediately

• The more momentum an object has, the harder it is to stop

• It makes the object move slower over time

• It prevents an object from changing direction