Understanding Acceleration and Direction

An object that is accelerating must be changing speed.

• True

• False

An object with positive acceleration must be speeding up.

• True

• False

An object with negative acceleration must be slowing down.

• True

• False

An object with negative acceleration must have a negative slope on a position-time graph.

• True

• False

An object with positive acceleration must have a positive slope on a position-time graph.

• True

• False

An object with positive acceleration must be moving in the positive direction.

• True

• False

An object moving to the right can have an acceleration that is to the left.

• True

• False

An object with negative velocity and negative acceleration must be

• Speeding up

• Slowing down

Drag the letters into the appropriate columns.

Groups:

(a) Not accelerating

,

(b) Positive acceleration

,

(c) Negative acceleration

• C

• F

• E

• D

• A

• B

Drag the letters into the appropriate columns.

Groups:

(a) Constant Velocity

,

(b) Speeding up

,

(c) Slowing down

• E

• A

• F

• D

• B

• C