ENHANCEMENT PHYSICS MIDTERM EXAMINATION 2022

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

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

If a car moves 12 km North, 19 km East, and 12 km South, what is its displacement?

• 12 km
• 19 km, East
• 31 km
• 43 km, East

Which of these is not a vector quantity? 

• displacement 
• time
• velocity 
• acceleration

Which of the following quantities are vectors?

• speed, velocity, acceleration
• velocity, acceleration, force
• force, acceleration, mass
• length, mass, time

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

Billy runs 400 meters to Andy's house, turns around, and runs 400 meters back home. What is Billy's distance?

• 0 meters

• 400 meters

• 800 meters

• 1600 meters

Jerry walked from home to school, then from the school to the park. What is his total displacement?

• 2 km

• 5 km

• 8 km

• 10 km

Sara walks from Point A to Point B. Which is true?

• Distance and displacement are EQUAL
• Distance is less than displacement