Force And Motion Review Terms

Pregunta	Respuesta
Force	a push or pull
Motion	the movement of something
Newton	an English physicist and mathematician who is known for inventing the 3 laws of motion
Friction	the force that slows down an object when rubbing on each other
Gravity	the force that pulls you down to earth; for example, gravity is the reason why apples fall off trees
Acceleration	the measurement of the change in velocity
Velocity	speed and direction
Inertia	the way an object resists a change in motion or rest
Speed	the rate at how quick an object can move
Balanced Force	two forces in opposite directions on an object and match in size; when there is a balanced force on an object, it either stays still or keeps moving without any change in velocity(speed and velocity). For example, a stick is able to float in the ocean because the stick has the equal force as the force of the upthrust of the water.
Unbalanced Force	the opposite of balanced force; when two forces don't have the equal amount of force which causes still objects to move, change a moving object's velocity or make it stop.
Net Force	the measurement of the amount of force an object gets
Newton's 1st Law of Motion	An object in motion stays in motion and an object at rest stays at rest unless acted upon by an unbalanced force.
Newton's 2nd Law of Motion	Force = Mass x Acceleration
Newton's 3rd Law of Motion	For every action, there is an equal and opposite reaction
Magnetic Force	the attractive force that pulls metals together
Applied Force	Force that is applied to an object or person
Gravity on Earth VS The Gravity on the Moon	the gravity on the Earth is 3 times stronger than the moons
Tension Force	the force that is given to a tight object when it is pulled tight by forces
Spring Force	an object that compresses or stretches a spring and is always restored back to it's normal position

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