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Vocabulary
Energy
The ablity to do work or cause change.
The Law of Conservation of Energy
States that energy can neither be destryed-onlytransformed from one form to another.
Kinetic Energy
the energy something has when it’s moving; mechanical energy
Mechanical Energy
the energy that lets something move or do work
Potential energy
the energy an object has because of its position. In other words, energy that’s ready to be used when something happens; stored energy
Velocity
the speed and direction of an object in motion; distance traveled per unit time in one direction
Mass
The amount of matter in an object
Weight
The force acting on an object due to gravity
Inverse
Oppisote of
Proportional
two quantities are related in a way that when one changes the other one also changes the other one also changes in the same way; When ne increases the other increases
Forces
a push or a pull on something that makes it move, change direction, or even change its shape
Contact force
any force (push or pull) that occurs as a result of two objects touching each other
Collision
when two or more objects come into contact and exert a force on each other for a short period of time
Deform
The change in shape or size of an object because of applied physical forces
Friction
a force that works against the motion of an object, slowing it down or stopping it completely
Gravity
Gravity is an invisible force that pulls everything toward the ground, including you; it also pulls objects toward each other.
Inertia
the tendency of an object to resist a change in its motion unless acted upon by an external or unbalanced force
