Question

Two blocks of mass 10 kg and 20 kg are connected by a light string as shown in the figure. If two forces of 80 N and 20 N are exerted on the system, the net acceleration of 10 kg mass will be

Answer 1

Answer:

20kg mass. 4ms

Explanation:

Hence,

Option B is correct.

For 10kg: T=ma

=10×12

=120N............(1)

For 20kg F−T=ma

200−120=20α

80=20a

a=4ms

−2

∴ acc of 20kg=4ms

−2

Answer 2

Explanation:

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