What is the retarding force on a freely falling body when it impacts a stationary object & is brought to rest
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What is the retarding force on a freely falling body when it impacts a stationary object & is brought to rest

[From: ] [author: ] [Date: 12-04-25] [Hit: ]
.Tony-The pavement.........
without rebound in a distance what is the answer please

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HI Dfgdfgdf

I would calculate it as follows....

The acceleration as the object decelerates is a = (initial velocity- final velocity / time)
The final velocity is at rest = zero
And the formula for Force is F=Ma where a is the acceleration and M is the objects Mass.
The acceleration is negative as it is de accelerating.

Therefore the Force = - Mass. (vel / time)

Another way to envisage it is with conservation of energy.....
W x D = F x R
where W= Weight, D= Distance to fall from Centre of Gravity, F = Retarding Force, R = retarding distance.

Hope these help !

Regards...
Tony

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The pavement...
1
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