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physical science 2

vocabulary

QuestionAnswer
what does force do? force makes things speed up, slow down or change direction. without force, a still object remains still and a moving object would keep moving
what are some types of forces magnetic, push, pull, gravity, air resistance, and friction
what does friction do friction opposes motion between two touching objects. friction slows things down.
what does gravity do and what is an example of gravity gravity pulls everything towards Earth. the more mass something has the more gravity acts on it. if you drop a bowling ball and a beach ball off a building, the bowling ball would hit the ground first because it has more mass.
what are balanced forces balanced forces are two equal forces acting in opposite direction. because it is balanced the object does not move.
what are unbalanced forces unbalanced forces happen when one side has greater force in one direction. this will cause the object to move in the direction the greater force is going.
what does mass do to force the more mass something has the more force is needed to move it.
Created by: user-1962771
 

 



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