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An automobile with a mass of 1127 kg accelerates at a rate of 6 m/s² in the forward direction. What is the net force acting on the automobile?
N

What is the momentum of a 69-kilogram ice skater gliding across the ice at a speed of 6 m/s?
kg-m/s

User Alby
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1 Answer

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Newton's 2nd law of motion:

Force = (mass) x (acceleration)

= (1,127 kg) x (6 m/s² forward)

= (1,127 x 6) newtons forward

= 6,762 newtons forward
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Momentum = (mass) x (speed)

= (69 kg) x (6 m/s)

= 414 kg-m/s
User Johansalllarsson
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