Gravity & Friction
Newton's First Law
Newton's Second Law
Newton's Third Law
Bonus
100
What refers to the gravitational force exerted on an object?
weight
100
What are forces that combine and form a net force that is NOT zero?
unbalanced
100
What refers to speed in a certain direction?
velocity
100
Which law explains that every force has a reaction force in the opposite direction?
Newton's Third Law of Motion
100
What refers to the amount of matter in an object?
mass
200
What is proportional to an object's weight?
mass
200
What could stop an object from moving?
friction
200
What is motion along a curved path?
circular motion
200
What is a measure of how hard it is to stop a moving object?
momentum
200
What refers to a force that is applied when two objects touch?
contact force
300
What is a force that opposes movement between two touching surfaces?
friction
300
When forces are equal on an object going in opposite directions, what is the net force on that object?
zero
300
What refers to a change in velocity over time?
acceleration
300
What refers to forces two objects apply to each other?
force pair
300
What term refers to forces that combine with a net force of zero?
balanced
400
What is a force that an object can apply to another without touching?
noncontact force
400
What is the combination of all forces acting on an object?
net force
400
Solve for acceleration: Net Force: 200N Mass: 100kg
2 m/s^2
400
When you push against an object, what is the name of the force you apply?
action force
400
The tendency of an object to resist a change in motion is called?
inertia
500
What is a push or pull on an object by another object that is touching it?
contact force
500
What is the tendency of an object to resist a change in motion?
inertia
500
When spinning a tennis ball on a string with your hand, where is the centripetal force?
your hand holding the string
500
The force applied by an object back against you is called?
reaction force
500
DAILY DOUBLE What law states that the total momentum of a group of objects stays the same unless outside forces act on the objects?
law of conservation of momentum
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