Force
Friction
Gravity
Newton's Laws
Equations and Units
100
This has to be true if a net force= 0.

What are balanced forces.

100

The force that opposes the motion of objects that touch as they move pass each other.

What is friction.

100

The value for acceleration due to gravity (g).

What is 9.8 m/s2

100
Newton's 1st Law of Motion states.

What is that an object in motion stays in motion and an object at rest stays at rest unless acted on by an unbalanced force.

100

The SI unit for force?

Bonus: Another unit for force?

What is newtons (N).

What is kg x m/s2

200

The resistance of an object to move.

What is inertia.

200

The kind of friction that occurs when a fish swims through water.

What is fluid friction.

200

Gravity moves in this direction.


Bonus: Air resistance goes in this direction.

What is down toward the center of the Earth.


What is up, opposite of gravity.

200

A car is accelerating at 7 m/sand a 550 N force is acting on the car. The mass of the car is?

What is 78 kg or 80 kg.

200

The type of forces acting here, two people high five one another.

What are action- reaction forces.

300

A force is this.

What is a push or a pull on an object.

300

Give an example of rolling friction occurring on an object.

What is a soccer ball rolling on the ground, a car driving down the street, a person skate boarding, etc.

*Anything that is moving on wheels or performing a rolling action.

300

A cougar has a mass of 82 kg. The weight of the cougar while living in the forest is.

What is 803 N.

300

If a force of 10 N is applied to an object with a mass of 1 kg, what will the object accelerate at?

What is 10 m/s2

300

The units for weight and mass.

What are N and kg.

400

Forces are subtracted when they go in what directions.

What are opposite directions.

400

As you push a cereal box across a tabletop, in what direction does friction act?


Bonus: What type of friction is this?

What is the opposite direction of the motion.


What is sliding friction.

400

This causes a falling object to accelerate and gain speed.

What is gravity.

400

A golf ball and bowling ball are rolling at the same speed, this ball has the greater momentum.

What is bowling ball.

400

Your weight is equal to.

What is mass x acceleration due to gravity.
500

Balanced or unbalanced: An object moving to the right has a 100 N force on it going to the left and a 50 N force going to the right.

Bonus: Increase, decrease, or constant acceleration.

What is unbalanced.


What is decreased acceleration or deceleration.

500

A skier is standing still at the top of the snowy mountain and then begins to ski down the mountain. The 2 types of friction acting on the skier are.

What are static and sliding.

500

Term for the type of velocity when the force of gravity and air resistance are equal.

What is terminal velocity.

500

An action-reaction force represents this Newton's Laws.

What is Newton's 3rd Law.

500

The equation for momentum?

What is momentum = mass x velocity.