Forces & Motion Unit Review

What is the formula for speed?

• S=D/T
• S=T/D
• S=DT
• S=D+T

Sam runs a 50 meter dash in 25 seconds.  What is his speed?

• 2 s/m
• 25 m/s
• 2 m/s
• 25 s/m

What two things affects the force of gravity?

• mass and direction
• mass and distance
• weight and direction
• weight and mass

What is a unit for mass?

• grams
• meter
• liter
• mile

Total distance divided by total time is

• average speed
• constant speed
• instantaneous speed
• acceleration

Shona cycles at an average speed of 8km/h. How far has she travelled if she cycles for 4 hours?

• 55km
• 32km
• 43km
• 32miles

What does this graph represent?

• Constant Speed
• Acceleration
• Not moving

What is happening at D?

• Stationary
• Accelerating
• Fast steady speed; moving away from the starting position
• Slower steady speed; moving away from the starting position

What is happening at E?

• Stationary
• Accelerating
• Fast steady speed; moving away from the starting position
• Steady speed; returning to start position

Which runner won the race?

• A
• B
• C