USI Forces Quiz

What is the name for a push or pull?

• A movement

• A force

• Speed

• Density

What Unit do we Measure Force in?

• Newtons

• Meter

• Gram

Why is it harder for the boy in Image B to get down the hill?

• Motion

• Friction

• Work

• Displacement

Legend has it that when Newton saw an apple fall from a tree, he began to think about _____________________.

• the planets.

• the best way to make apple pie.

• the force that would later be called gravity.

• why apples are red.

What causes an object to fall faster?

• Smaller surface area

• If it has a parachute

• Larger surface area

• If it is softer

The larger the surface area of the moving object, the ___________ air resistance there is.

• less

• more

• longer

• quicker

Air resistance pushes against falling

objects and __________________.

• speeds them up

• keeps them afloat

• spins them

• slows them down

Which has more air resistance?

• 
• 

The more streamlined an object is, the..........

• more air resistance

• slower air resistance

• faster air resistance

• less air resistance

How water resistance can be reduced ?

• Streamline body

• More surface area

• Less weight