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Force&Motion (A)
Physical Science
Question | Answer |
---|---|
What is 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? | ability to do work or cause change |
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 |
What is inertia? | the tendency of an object to resist any change in its motion the tendency of an object to stay at rest or stay in motion |