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linear motion, angular motion - Coggle Diagram
linear motion, angular motion
linear motion
definition = movement of a body in a straight or curved line, where all body parts move the same direction, in the same direction over the same time
it results from a direct force being applied to a body, where the force is applied directly to the centre of mass
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speed = the rate of change in distance
- speed = distance / time taken
velocity = the rate of change in displacement
- velocity = displacement / time taken
acceleration = the rate of change in velocity
- acceleration = final velocity - initial velocity / time taken
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angular motion
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- it results from an eccentric force being applied to a body where the force is applied outside the centre of a body's mass
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Angular velocity = the rate of change in angular displacement or simply the rate of rotation
- angular velocity = angular displacement / time taken
moment of inertia = the resistance of a body to change its state of angular motion or rotation
- moment of inertia = sum of (mass x distribution of the mass from the axis of rotation 2)
angular momentum = the quantity of angular motion possessed by a body
- angular momentum = moment of inertia x angular velocity