Review of Physics

It's an example of vector quantity

• Distance

• Displacement

• Energy

• Mass

Which one of these options is NOT a vector quantity

• Force

• Displacement

• Momentum

• Energy

Vector F in the x-component is ....

• F sin 30^o

• F cos 30^o

• F sin 60^o

• F tan 60^o

Vector F in the y-component is ....

• F sin 30^o

• F cos 30^o

• F cos 60^o

• F tan 30^o

A car travels 90 meters due north in 15 seconds. Then the car turns around and travels 40 meters due south.  What is the magnitude and direction  of the car's resultant displacement?  

• 40 metres, South
• 50 metres, South
• 50 metres, North
• 40 metres, North 

Which statement describes a vector?

• It has magnitude but no direction
• It has direction but no magnitude
• It has both direction and magnitude
• It has constant magnitude but no
   direction

The _______ of two or more vectors is the sum of the vectors.

• components
• scalar
• resultant
• magnitude

If a boomerang is thrown 20 m in a straight line and returns exactly to the spot it was thrown what is its displacement?

• 20m
• 40m
• 0m
• -20m

Instantaneous rate of change of displacement is a definition of

• Instantaneous velocity

• Instantaneous acceleration

• Instantaneous displacement

• velocity

Describe this graph

• constant acceleration

• constant deceleration

• object move to the left

• constant velocity