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raerlynn t1_jeeqfv6 wrote

Basic physics - specifically Newton's 2nd Law of Motion.

The force acting on an object (like a fist) is equal to mass times velocity. More mass, more force.

Same reason why the damage a vehicle accident causes varies depending on the size of the vehicles involved. Two cars at 30mph is generally survivable. A train hitting a car at 30mph... not so much.

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[deleted] t1_jeex85p wrote

F = ma not mv.

F = dP/dt = m*dv/dt = ma. I think you mixed up dP/dt and P. Impulse is P.

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Alundra828 t1_jef2uop wrote

It should also be noted that often the makeup of that weight, is likely primarily made up of muscle mass, which of course, generates more force.

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