Contact Forces Notes

Multiple Choice

Force

• push or pull

• mythical star wars powers

• can only happen with contact

• only gravity

Multiple Choice

A contact force is from

• objects physically touching

• far apart objects

• not touching object

• always a pull

Multiple Choice

Because force is a vector measurement, it has both a magnitude and a _______.

• Volume

• Velocity

• Direction

• Speed

Multiple Choice

A force can cause an object to _________.

• accelerate

• slow down

• speed up

• change direction

• All of these answers are correct.

Multiple Choice

What force would prevent you from pushing a heavy box across the floor?

• applied force

• friction

• normal force

• air resistance

Multiple Choice

Friction acts in a direction __________ to the direction of an object's motion.

• equal

• opposite

• unrelated

• perpendicular

Multiple Choice

Which type of friction causes a book to stay on a table and not slide off?

• Kinetic Friction

• Static Friction

Multiple Choice

Leanna decided to rearrange her bedroom by moving her dresser to the opposite wall. She tried pushing it, but found that the dresser would not move. What force was Leanne NOT able to overcome?

• electrical force
• magnetic force
• balanced force
• frictional force

Multiple Choice

A force that is applied to an object by a person or another object.

• Spring Force

• Normal Force

• Applied Force

Multiple Choice

What force is your chair acting upon you right now so you don't fall to the floor?

• applied

• normal

• gravity

• friction

Multiple Choice

what is force acting in the strings?

• tension

• normal reaction

• gravitation

Multiple Choice

This force is a support force when you're leaning against a surface.

• Applied force

• Normal force

• force of Gravity

• Air resistance

Multiple Choice

what is the force acting in the ropes of the swing?

• tension

• normal reaction

• friction

• gravitation

Multiple Choice

This arrow depicts which kind of force?

• gravitational

• normal

• applied

• friction

Multiple Choice

The upward force acting on the parachute is called ______________.

• Force of friction

• Force of gravity

• Normal force

• Air resistance

Multiple Choice

What force are you demonstrating when you stand on the ground?

• Gravitational Force

• Friction

• Applied Force

• Normal Force

Multiple Choice

How would you have less friction force?

• By a rough surface

• By not pushing hard

• By a smooth surface