Question

In a vehicle collision, the longer it takes to dissipate kinetic energy, the _______ the force of impact. higher faster slower lower

Answer 1

I think the answer would be lower. In a collision, when energy is transferred slowly to the other object most likely the force of impact would be lower since energy is being transferred bit by bit. This would result into lesser damages. Hope this helps.

Answer 2

Lower

Explanation:

According to the Newton's Second law of motion the rate of change in momentum is directly proportional to force.

Mathematically:

$F=\frac{d}{dt} (p)$

$F=\frac{d}{dt} (m.v)$

$F=m.\frac{dv}{dt}$

where:

p = momentum of a moving body

m = mass of the body

v = velocity of the body

t = time

So, when the time taken to change the velocity is greater then the force of impact is lesser.

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TOPIC: Newton's second law of motion

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