| First Law | Second Law | Third Law | Force | Action And Reaction |
|---|---|---|---|---|
|
What is another name for Newtons first Law?
Law of Inertia
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What is another name for newtons 2nd law?
Law of Force and Acceleration
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What is another name for Newtons 3rd law?
Law of Action And Reactions
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What is a force?
push or pull
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What is it called when two forces act with each other?
an interaction
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What is inertia?
The reluctance of any body to change its state of motion
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What is the greek letter Delta(triangle) mean?
It means difference of.
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Can action and reaction forces cancel?
Yes the forces can equal each other and cancel out
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What is Friction?
riction is the name of the force that acts between objects when they touch.
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What is the action and reaction forces when you walk on the ground?
Action: you steeping down on the ground reaction: the ground pushing up on you
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What does Newtons first law say?
An object will stay in its constant state unless acted upon by an outside force
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What is equation for force?
force= mass x acceleration
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What is Newton's third law say?
All forces act in pairs called action and Reaction forces.
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What are four types of force?
friction, Applied, normal, gravity
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What is an action force?
The force that happens prior to the reaction force.
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What is the difference between mass and weight?
Mass: the quantity of matter in an object Weight : the force of gravity of an object
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What is air resistance?
the friction acting on you move through the air?
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What is the action and reaction forces when air is let out of a balloon?
Action: the balloon shrinks sending air out Reaction: the balloon lifts and flies through the air.
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What is net force?
The total amount of force acting on an object?
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What is the action force when hammering a nail into a board?
The hammer hitting the nail
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What are the two types of motion mentioned in chapter 4?
violent and natural motion
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Is friction restricted to just solids?
No, you can have a fluid friction also.
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What is the coefficient of friction symbol called?
It is called mue.
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What is a free body diagram?
A diagram that shows all forces acting on an object.
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What is the reaction force when a rocket takes off?
The exhaust of the rocket propelling the rocket forward.
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