Unit 3: Forces & Motion Test

If Harry drives 4 miles in 2 minutes, what was his speed?

• 0.5 miles/min

• 2 miles/min

• 2 min/m

• 0.5 min/m

Match the description to the graph:

"The car is stopped."

• 
• 
• 
• 

Match the description to the graph:

"The car is traveling at a constant speed."

• 
• 
• 
• 

A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?

• 24 m/s²
• 18 m/s²
• 16 m/s²
• 16 m/s

A racecar goes from 100 m/s to rest in 25 seconds. What is its acceleration?

• -4 m
• 4 m/s
• 4 m/s/s
• -4 m/s/s

Balanced or unbalanced?

• balanced
• unbalanced

The sum of all forces acting on an object.

• Contact Force
• Balanced Force
• Unbalanced Force
• Net Force

Calculate the Net Force. 

• 60N, Left 
• 40N, Right 
• 0N
• 60N, Right

If both forces are going in the same direction you should______ those forces

• Add

• Subtract

• Divide

• Multiply

Which is needed to determine the amount of gravitational force between two objects?

• distance and mass

• weight and time

• area and weight