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How we find force when mass, …

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How we find force when mass, velocity and distance are given?

Posted by Arjun Singh 4 years, 4 months ago

CBSE > Class 09 > Science

3 answers

Madhav Grover 4 years, 3 months ago

Sometimes we use v^2-u^2=2as to find acceleration according to the question.and then apply f=ma .

Meghna Thapar 4 years, 4 months ago

If it has an initial velocity u, and it accelerates, at a constant rate a, to a velocity v, in t seconds, then, by Newton's Second Law, F = ma. But since a = (v-u)/t, F = m (v - u)/t or F = (mv - mu)/t. This is saying that the force is equal to the rate of change of momentum, where momentum = mass x velocity. The first equation states that a Force is equal to Mass times Acceleration, or Newton's second law of motion. The second one states that Momentum (P) is equal to Mass times Velocity. This means that a force is the rate at which an object's momentum is changing over time.

Sushil Kumar Sahu 4 years, 4 months ago

Put the formula and get the answer

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