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phisyics kw
phisiycs notes
Question | Answer |
---|---|
what is the streangth of gravity | 9.8m/s2 |
what is megnatuid | a velocity that has a derction |
what is velosity | speed in a general direction |
what is acceleration | change in speed or direction |
what is the equation for distanc relavit to acceleration | 1/2at^2 |
what is a vector | an arrow drawn to scail to represent a magnetud |
what is a resultant | the adding of two vectors |
what isa projectile | an object in motion |
what is trojectory | the psth s projectile takes |
what is force | any push or pull |
what is friction | the force of 2 obfects as they move past each other |
whst is inertia | and objects resistanc to change in motion |
what is newtons first law | an object at rest stays at rest unless acted on an outside force |
what is mass | the mesure of an objects inertia |
what is newtons second law | the net force on an object is porortional to the forces magnetude |
what is newtons third law | every force has an equel and opessit reaction |
what is a mechine | a divice for changing or rederecting force |
what is a newton | the SI unit for force |
what is a watt | the Si unit for power |
what is freefall | motion under the influenc of gravity |