Forces
Friction
Gravity
Motion
Newton's laws of motion
100
A push or pull
What is a force?
100
2 Factors that increase Friction.
What is roughness and force.
100
Gravity is the force of attraction between objects due to their __________.
What is mass?
100
The rate of acceleration caused by gravity on Earth.
What is 9.8 m/s/s?
100
Tendency of an object to resist a change in motion.
What is Inertia?
200
The force that results from combining all the forces exerted on an object.
What is Net Force?
200
type of friction that usually has the greatest amount of friction.
What is sliding friction.
200
The Law of Universal Gravitation was developed by ____________.
Sir Isaac Newton
200
Force that opposes motion through the air.
What is air resistance?
200
According to newton's second law, what will increase as force increases?
What is acceleration?
300
What is the net force if Billy pushes the box 3N east and Betty pushes 15 N to the west.
12 Newtons to the west.
300
Can be added to engines to reduce friction
What is a lubricant?
300
Which object will gravity accelerate faster, a 10 gram rock or a 1,000 lb slab of concrete?
Neither, they will accelerate due to gravity at the same rate.
300
When the force of the air resistance is equal to the force of gravity.
What is terminal velocity?
300
What is the force of an object that has a mass of 10 kg accelerating at a rate of 5 m/s/s?
What is 50 Newtons?
400
A force that causes motion.
What is an unbalanced force?
400
Name of four types of friction
Sliding, Rolling, Fluid, Static
400
The Law of Universal Gravitation describes the relationship between these three properties.
What is gravitational force, mass, and the distance between objects.
400
The curved path of an object thrown near the earth's surface.
What is projectile motion?
400
A bug hits a windshield and goes splat. The windshield hit the bug and the bug hit the windshield. Which delivered the greater force?
Neither, the forces are equal.
500
A newton is equal to ___________.

1Kg m/s2

500
Friction force applied to an object before it moves.
What is Static Friction?
500
A measurement of the gravitational pull on an object.
What is weight?
500
Which would land first, dropping a cannon ball from 5 feet or shooting a cannonball horizontally from the same height?
They would land at the same time, gravity will accelerate both at the same rate.
500
In the equation p=m x v, what does p stand for?
What is momentum?
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