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Question

A force of 20 N is applied on two balls of masses m1=2 kg, and m2=4 kg individually. Find the ratio of accelerations of balls 1 and 2?
  1. 3:2
  2. 1:1
  3. 1:2
  4. 2:1


Solution

The correct option is D 2:1
According to newton’s second law,
F=ma
where terms have their usual meanings.

a=Fm
a1m
a1a2=m2m1
Putting values, we get:
a1a2=42
a1:a2=2:1

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