Types of Friction
Forces
Newton's Laws
Gravity
Calculations
100

Name the type of friction. You are pushing against a wall and it won't move.

Static Friction

100

A push or a pull is called a ___________________.

force

100

An object sitting in a room that isn't moving is Newton's ______________ Law

1st

100

A force of attraction between objects that is due to their masses is called ______________________.

gravity

100

What is the speed of a car that has gone 100 meters in 20 seconds?

5 m/s

200

Name the type of friction. You are roller skating down the street.

Rolling Friction

200

Friction is a force that acts _____________ the motion of an object. Choices: a) against b) in the same direction as

against

200

A person pushes down to go up for a jump is Newton's _____________ Law

3rd

200

True or False. Only some matter experiences gravity.

False. All matter experiences gravity.

200

What is the momentum of a ball that has a velocity of 32 m/s and has a mass of 0.5 kg?

16 kg x m/s

300

Name the type of friction. Walking on a wet floor.

Fluid Friction

300

What two things must you have to calculate force?

Mass and acceleration

300

To make a race car go faster engineers lower the mass of the car. They are using Newton's __________ Law

2nd

300

The more massive something is then the ______ gravity it has. 

more

300

A truck is pushed with a force of 10500N and accelerates at 3.5 m/s2. What is the mass of the truck?

3000 kg

400

Name the type of friction. Sledding down a hill 

Sliding Friction

400

The combination of forces on an object is called the

Net force

400

Newton's first law summed up in one word.

Inertia

400

What are object that are thrown or shot called?

projectile

400

A ball is shot directly upwards at a velocity of 118 m/s outside. It takes 12s for the ball to reach the top of it's motion. What is the acceleration on the ball?

-9.81 m/s2

500

You are sliding your desk across the classroom and it creates a loud noise. You don't want it to be so loud the next time. What could you do so that it's easier to move the desk? What type of friction is this?

Add wheels to the desk. Rolling Friction

500

Show the full units for a Newton

Kg x m/s2

500
Two people pulling at the same force of 25 N on a rope and another person pulling at 50N is pulling on the other end of the rope. What is the net force?
0N
500

Explain how things orbit.

The projectile curve matches the curve of the planet. 

500

A 0.5 kg with an initial velocity of 5m/s is kicked and speeds up to 20 m/s over 0.5s. What is the force on the ball?

15 N

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