Question

Two blocks A and B of mass 2m and m respectively are connected to a spring of spring constant k. A horizontal force F=5mg is applied to block A. If acceleration of block B at the instant is g, then what will be the acceleration of block A at that instant ? {PLEASE EXPLAIN USING STRING }

Answer 1

Answer:

Explanation:

kx=mg

5mg-kx=2ma

5mg-mg=2ma

a=2g