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force & motion A
Question | Answer |
---|---|
what is a force? | a push, a pull, or a twisting action on an object |
what is a newton? | a unit of measure of the force required to accelerate 1 kilogram of mass at 1 meter per second per second |
what is energy? | a unit of measure of the force required to accelerate 1 kilogram of mass at 1 meter per second per second |
what is a scale? | equipment used to measure weight |
what is work? | force exerted on an object that causes it to move. |
what is friction? | the force that one surface exerts on another when the two surfaces rub against each other |
what is gravity? | the force that pulls objects toward each other the force of attraction between all masses in the universe |