Linear motion

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14 Terms

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linear motion

the movement of a body in a straight or curved line, all parts move the same distance at the same time

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what are the 2 forces of a free body diagram

weight, air resistance

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what does linear motion relate to

Newton’s first law of inertia

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what does Newtons first law of inertia state

a body will continue in its state of rest or uniform velocity unless external forces are exerted upon it

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distance

the total length covered from the start point to the finish point

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how to calculate distance

distance = speed x time (m)

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displacement

the shortest straight line route from start to finish point

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how to calculate displacement

displacement = velocity x time (m)

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speed

the rate of change in distance

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how to calculate speed

speed = distance / time (m/s)

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velocity

the rate of change of displacement

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how to calculate velocity

velocity = displacement / time (m/s)

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acceleration / deceleration

the positive or negative change in velocity of an object

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how to calculate acceleration / deceleration

(final velocity - initial velocity) / time (m/s2)