Friction
Scientists
Newton's 1st and 2nd laws
Universal Forces
Misc.
100
friction force that acts on rolling objects
What is rolling friction
100
Newton's Third Law
What is action/reaction
100
tendency of an object to resist change
What is inertia
100
forces that both attract and repel
What is electromagnetic forces
100
In a closed system, the loss of momentum of one object equals the gain in momentum of another object--momentum is conserved.
What is law of conservation of momentum
200
force that acts between any two masses
What is gravity
200
Who published a book entitled Principia
What is Newton
200
Newton's second law
What is acceleration equal to net force divided by mass
200
Forces that act within the nucleus to hold it together.
What is nuclear forces
200
the combination of an initial forward velocity and the downward vertical force of gravity which causes a ball to follow a curved path
What is projectile motion
300
acts in the direction opposite to that of applied force
What is static friction
300
Greek scientist and philosopher
Who is Aristotle
300
force of gravity acting on an object
What is weight
300
weakest universal force
What is gravity
300
the constant velocity of a falling object when the force of air resistance equals the force of gravity.
What is terminal velocity
400
fluid friction acting on an object moving through the air
What is air resistance
400
concluded that moving objects not subjected to friction or any other force would continue to move indefinitely
Who is Galileo
400
measure of the inertia of an object
What is mass
400
center-directed force that makes an object move in a circle
What is centripetal force
400
when the net force is zero and there is no change in motion
What is balanced forces
500
force that opposes the direction of motion of an object as it slides over a surface
What is sliding friction
500
years it took to develop the relationships between force and motion
What is 2000
500
1/6 of earth
What is gravity on the moon
500
used to receive and transmit electromagnetic waves over great distances
What is satellites
500
a push or a pull
What is force
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