Question

3) The mass of a goods lorry is 400 kg and the mass of goods loaded on it is 200 kg. If the lorry is moving with a velocity of 1 m/s, what will be its momentum?

Answer 1

Answer:

600kg.m/s

Explanation:

mass of lorry=400kg

mass of goods loaded=200kg.

so total mass of the lorry, m=(400+200)kg=600kg

it's velocity, v=1m/s

so , momentum ,P=m×v

=(600×1)kg.m/s=600kg.m/s

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Answer 2

Here we have,

Velocity

(v) = 1 m/s

Lorry Mass = 400 kg

Mass of lorry goods = 200 kg

Therefore,

Complete lorry weight

= 400 kg + 200 kg

= 600 kg

Now,

To Find :-

Momentum (p) = ?

Here,

(p) = (m) × (v)

Hence,

p = 600 kg × 1 m/s

p = 600 kg m/s

So,

Momentum of lorry = 600 kg m/s.