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it depends what else you know

F=ma

you can also use "SUVAT"

S= displacement/distance

u= initial velocity

v= final velocity

a= acceleration

t= time

the equations relating these are

v^2=u^2+(2aS)

v=u+at

S=ut+(1/2at^2)

S=vt-(1/2at^2)

S=1/2(u+v)t

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12y ago
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15y ago

Well, one can find the centripetal acceleration of an object without knowing its force. The formula for that situtation is: Ac (c is centripetal) = V squared/ r. Centripetal acceleration is velocity multiplied by itself divided by the radius (the length from the center of the spin point to the object).

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9y ago

You can't. However, you can find the COEFFICIENT of friction, which in many practical problems is independent of the mass: the FORCE of friction will depend on the mass, but the RATIO between the force of friction and the normal force - i.e., the coefficient of friction - will not. For your calculations, use a variable, such as "m", for mass; for the coefficient of friction, this variable will cancel (disappear).

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15y ago

you use a force meter

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Q: How do you find the acceleration without knowing the force?
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