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Physics ch. 12:1 & 2

ch. 12:1 & 2

QuestionAnswer
What does Inertia mean? Related to the objects mass. It is the tendency of an object to resist a change in motion unless outside forces act upon it.
What is Newtons 1st Law? a body remains at rest unless acted upon by an external force.
What is a Newton? A kilogram.
What is Newtons 2nd Law? It says that the larger the unbalanced force on an object, the more the object;s motion will change. It also states that the larger the object;s mass, the smaller its acceleration will be.
Weight means… The gravitational force of an object because of it ‘s mass.
Free-fall means… When something is falling without interference.
What is Terminal Velocity? The constant velocity of a falling object when the force of air resistance is equal in magnitude and opposite in direction to the force of gravity.
What is Projectile Motion? The path that an object follows when thrown near the surface of earth.
How is Mass related to Inertia? The amount of Inertia an object has depends on the object's mass. The greater the mass of an object the greater the inertia it contains.
Air Resistance The force of an object in flight through the air.
Net Force When two object are pushing each other and no particulate one win's.
What does action-reaction force mean? For every action force there is an equal and opposite reaction.
Gravity It is a force that pulls objects together.
What is one part of Law of Universal Gravitation? Every object in the universe pulls with a gravitational force on every other object.
What is the second part of Law of Universal Gravitation? The strength of the gravitational force between 2 objects depends on the mass of the objects.
What is the third part of Law of Universal Gravitation? The strength of the gravitational force between 2 objects depends on the distance between the objects.
What is Newton's 3rd Law? Says that action forces always produce reaction forces. It also states that the action forces and reaction forces are always equal sizes but always act in different directions.
Created by: hnixo97539
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