Concept explainers
What will be the acceleration of recoil when a 60-kg person on rollerskates pushes against a wall with a force of 30 N?
The acceleration of recoil when a
Answer to Problem 53A
Explanation of Solution
Given:
The mass of the person,
The force with which he pushed against the wall,
Formula used:
As per Newton’s third law of motion, for every force exerted there is an opposite and equal reaction force.
And, according to Newton’s second law of motion, if the net force
Calculation:
Considering the Newton’s third law of motion, the reaction force exerted on the person by the wall will be same as,
Then using Newton’s second law of motion, the acceleration of the recoil will be,
Conclusion:
Since, the acceleration of the recoil is
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