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Motion. Mr. Hawkins – Physics. F= Newton. I t is equal to the force that would give a mass of one kilogram an acceleration of one meter per second per second. Acceleration. U nits of m/sec 2 meters/second/second Meters per second for every second. Force in Newton. F=ma. F=Newton (N)

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## Motion

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**Motion**Mr. Hawkins – Physics**F= Newton**It is equal to the force that would give a mass of one kilogram an acceleration of one meter per second per second**Acceleration**Units of m/sec2 meters/second/second Meters per second for every second**Force in Newton**F=ma F=Newton (N) m=mass (Kg) a= acceleration m/sec2**Acceleration & Lab**Use TWO photogates a= (0.05m/tb)-(0.05m/ta) tab**Example**a= (0.05m/tb)-(0.05m/ta) tab a= (0.05m/.0296s)-(0.05m/.0447s) .2720s Acceleration= 2.1 m/sec2 or m/sec/sec**Force in Newton**F=ma F=Newton (N) m=mass (Kg) a= acceleration m/sec2 0.7N .28Kg = 2.5 m/sec2 or m/sec/sec**Comparison of Both**a= (0.05m/.0296s)-(0.05m/.0447s) .2720s Acceleration= 2.1 m/sec2 or m/sec/sec 0.7N .28Kg = 2.5 m/sec2 or m/sec/sec**There Different?**Acceleration= 2.1 m/sec2 or m/sec/sec 2.1 m/sec2 – 2.5 m/sec2 2.5 m/sec2 0.7N .28Kg = 2.5 m/sec2 or m/sec/sec * 100 = -16% Error

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