Forces & Motion Unit Test

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

• 10 m/s

• 1000 m/s

• 100 seconds

• 10 m/s2

Total distance divided by total time is

• average speed
• constant speed
• instantaneous speed
• acceleration

What is the net force?

• 20 N 
• 0 N 
• 400 N 
• 40 N 

What is the unit to MEASURE force?

• Kilogram
• Meter
• Pascal
• Newton

What is the net force?

• 30 N 
• 25 N 
• 5 N 
• 55 N 

What is the net force?

• 10 N
• 0 N
• 25 N
• 1 N

If these teams are pulling with the same amount of force what will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?

(Explains why the dishes don't move)

• first law

• second law

• third law

• fourth law

You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.

• 20N 
• 40N 
• 10N 
• 70N

Which has more Inertia? 

• Truck
• Ant
• A cat
• A skateboard