Newton's 2nd Law
Gravity
Newton's 3rd Law
Forces and Motion
Miscellaneous
100
The second law of motion equation...
What is.......a = Fnet / m
100
As the distance between two objects increases, the amount of gravitational force between them ___________.
What is decreases
100
For every action there is an equal and ______________ reaction.
What is opposite?
100
mass x velocity = ____________
What is momentum
100
All projectiles follow a curved path because of ________.
What is gravity?
200
The SI unit for force
What is a Newton
200
The gravitational force exerted on an object
What is weight
200
If two objects of equal mass and speed collide, the total momentum of the objects is __________.
What is zero
200
_______________ occurs for a falling object when the force of gravity is balanced by the force of air resistance.
What is terminal velocity
200
Acceleration toward the center of a circle
What is centripetal acceleration
300
If the same force is applied to a small mass and a large mass, the ___________ mass will accelerate faster.
What is small
300
The value for the acceleration of gravity
What is 9.8 m/s2
300
An example of Newton's 3rd law of motion...
What is (for Mrs. Pinnt to judge)
300
The force that prevents two surfaces from sliding past each other.
What is static friction
300
Change in velocity per unit of time
What is acceleration
400
Friction is determined by these 2 factors.
What is the type of surface and the force pressing the surfaces together
400
The law of universal gravitation says that the force between two objects depends on __________ and ___________.
What is mass and distance
400
The forces in an action-reaction pair are equal, but since they are acting on different objects, they are not _____________.
What is balanced
400
These attractions between the surface bumps on different objects causes friction
What are microwelds
400
An example of a centripetal force.
What is gravity, friction, string
500
If the forces on an object are unbalanced, the object will do one of these 3 things...
What is speed up, slow down, or change direction
500
An astronaut would weigh ____ as much on the moon as they would on Earth.
What is 1/6
500
What is the momentum of a person with a mass of 100 kg that is traveling at a speed of 5 m/s?
What is 500 kg m/s
500
When an object reaches terminal velocity, it stops _________________.
What is accelerating
500
A ball that is thrown horizontally and a ball that is dropped will both travel the same ____________ distance in the same amount of time.
What is vertical
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