Final Exam Review

Which of the following is an example of a Vector quantity?

• acceleration
• mass
• volume
• time

A quantity that has both magnitude and direction is called a scalar quantity.

• True
• False

A 150N weight hanging DOWN from a rope. Vector or scalar?

• Scalar
• Vector

Wind blowing at 20 mph.Vector or scalar?

• Scalar
• Vector

30 m/sec, East. Scalar or Vector

• Scalar
• Vector
• Neither

What would the d-t graph look like for an object travelling at a constant velocity? 

• Horizontal line
• Straight line
• Curved line

what is the position at 10th second

• 0 m
• 10 m
• 20 m
• 30 m

when did the object stayed still?

• first 10 seconds
• first 20 seconds
• 20th ~30th seconds
• 30th~40th seconds

A distance vs. time graph shows an object's

• frame of reference
• speed
• acceleration
• favorite food

The SI unit for length or distance is

• foot (ft)
• inch (in)
• mile (mi)
• meter (m)