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Q: How do you calculate force when mass and velocity are given?

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You cannot. Force = Mass*Acceleration or Mass*Rate of change of Velocity.

Mass = force/acceleration

You calculate peak force by multiplying Mass times Velocity divided by time

Acceleration = (force) divided by (mass)

Not enough information. You can calculate force by Newton's Second Law, but in this case, there is no way to know how fast the velocity changes - or whether it changes at all.

Force = m a [ie mass x acceleration ]If the mass is not given it cannot be calculated.

Force----------------------------------------------The above is correct Force = mass * accelerationbut note that momentum = mass * velocity

Velocity = (velocity when time=0) + (Force x time)/(mass) ===> F = MA A = F/M V = V0 + A T

Force equals mass times acceleration.

Force = Mass * Acceleration (F = m * a)Therefore, if the mass of an object is increased, then the force required to accelerate to a given velocity will be greater. If the mass is decreased, then the force required to accelerate that object to a given velocity will become smaller.

Power is equal to Force times velocity; P=Fv. You are given the 'speed', which I assume to be velocity. You also have acceleration. In order to find F, you need first to find the mass, which you can calculate from the weight, Fg, by dividing by the acceleration due to gravity, 9.8. You then have the mass. From here, multiply mass times acceleration times the velocity.

Time, velocity and mass do not provide enough information. If you are given a time interval, t, then you need the velocity at the start of the interval (= u) and at its end (v). Then F = m*(v - u)/t

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