Question

A lift accelerates downwards with acceleration ‘a’.What is the reaction expressed by the man of mass ‘m’. Explain in detail.

Answer 1

Answer:

Lift is accelerating downwards, so acceleration of lift w.r.t. ground a

lg

=a

Acceleration of ball w.r.t. ground a

bg

=g

Acceleration of ball w.r.t. lift a

bl

=a

bg

−a

lg

=g−a

Explanation:

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