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Forces

QuestionAnswer
Do forces act in the same or opposite direction of the motion? Opposite
What is an object's resistance to change in motion? Inertia
Which will change on the moon, mass or weight? Weight
What type of force will cause an object's motion to change? Unbalanced
What is the amount of matter in an object? Mass
Which of Newton's Laws states that acceleration equals force divided by mass? Second
Which of Newton's Laws states that an object in motion will stay in motion and an object at rest will stay at rest, unless acted upon by an outside force? First
Which of Newton's Laws states that for every action there is an equal and opposite reaction? Third
What type of force causes an object to move in a circle? Centripetal Force
What force pulls objects towards each other? Gravity
What type of friction is it when air is moving across an airplane wing? Fluid
When the net force on an object is zero, the forces are in__________. Balance
Fluids are both ____________ and gas. Liquid
What is the greatest velocity a falling object can reach? Terminal Velocity
What causes an object in free fall to accelerate? Gravity
What type of friction is it when brakes are used on a car? Sliding Friction
What type of friction is it when ball bearings are used in skateboard wheels? Rolling
What type of friction is it when you are surfing? Fluid Friction
What type of friction is acting on a rock sitting on the side of a mountain? Static Friction
In Newton's third law, forces act in ___________. Pairs
Momentum can be determined by multiplying mass times __________. Velocity
What law states that the total momentum of any group of objects will remain the same unless outside forces act on the object? Conservation of Momentum
What to factors determine the amount of gravity acting on an object? Mass and Distance
What is a push or pull? Force
Does friction cause forces to speed up or slow down? Slow down
In what direction does air resistance act on a falling object? Upward
What type of force keeps a satellite in orbit? Centripetal
Created by: kpmueller