Physics Additional

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  • Created by: Saskia
  • Created on: 25-04-11 13:25

A stationary object remains stationary if the sum of the forces acting upon it - resultant force - is zero. A moving object with a zero resultant force keeps moving at the same speed and in the same direction. If the resultant force acting on an object is not zero, a stationary object begins to accelerate in the same direction as the force. A moving object speeds up, slows down or changes direction. Acceleration depends on the force applied to an object and the object's mass.

Resultant Force
An object may have several different forces acting on it, which can have different strengths and directions. But they can be added together to give the resultant force.

Science

Force, mass and acceleration

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A stationary object remains stationary if the sum of the forces acting upon it - resultant force - is zero. A moving object with a zero resultant force keeps moving at the same speed and in the same direction.

If the resultant force acting on an object is not zero, a stationary object begins to accelerate in the same direction as the force. A moving object speeds up, slows down or…

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