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Question: A block of mass 2 kg is hanging with two identical massless springs as shown in figure. The accelera...

A block of mass 2 kg is hanging with two identical massless springs as shown in figure. The acceleration of the block at the moment , the right spring breaks is (g = 10 m/s2)

A

10 m/s2

B

5 m/s2

C

25 m/s2

D

4 m/s2

Answer

10 m/s2

Explanation

Solution

2kx cos 60º = mg

kx = mg

Net force = 2mg cos 60º

= mg = ma a=g=10 m/s2\mathrm { a } = \mathrm { g } = 10 \mathrm {~m} / \mathrm { s } ^ { 2 }