Motion 3: Vector vs Scalar Quantities

Motion 3: Vector vs Scalar Quantities

Multiple Choice

Is this a scalar quantity or a vector quantity?
A deer running 15 meters per second due west

• Scalar
• Vector

Multiple Choice

Is this a scalar quantity or a vector quantity?
Wind blowing at 20 knots

• Scalar
• Vector

Multiple Choice

Distance is

• Vector

• Scalar

Multiple Choice

Speed is

• Vector

• Scalar

Multiple Choice

Mass is a

• Vector

• Scalar

Multiple Choice

A quantity that needs both magnitude and direction to be fully described.

• Vector

• Scalar

Multiple Choice

 Amy runs 2 miles south, then turns around and runs 3 miles north. What is displacement?

• 5 miles
• 1 mile 
• 2 miles south
• 1 mile north 

Multiple Choice

 Ray runs 30 feet north, 30 feet west, and then 30 feet south. What is the distance?

• 90 feet
• 30 feet
• 60 feet
• 0 feet

Multiple Choice

Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his distance?

• 10 miles
• 7 miles
• 8 miles
• 6 miles

Multiple Choice

A deer running 15 meters per second due west.Vector or scalar?

• Scalar
• Vector

Multiple Choice

Ms. HK and Ms. Walton were both pushing a car south. Ms. HK pushed with 400 N and Ms. Walton pushed with 500 N. What was their resultant?

• 640.31 N south
• 100 N south
• 900 N south
• 410000 N south

Multiple Choice

A car moved 60 km East and 90 km West. What is the displacement and the direction?

• 30 km, West
• 60 km. East
• 90 km
• 150 km

Multiple Choice

What is the net force?
100 N        230 N
<------        --------->

• 30 N to the right
• 230 N to the right
• 130 N to the right
• This is a balanced force

Multiple Choice

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

Multiple Choice

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