Question

A system of mass m1=4 kg and m2=7 kg is arranged as shown. S is a spring balance. An additional force F is applied to m1to keep the system at rest, then (g=10  m/s2) (Assume spring balance gives in reading in Newton) A) the reading in the spring balance is 110 N B) the reading in the spring balance is 70 N C) F< the reading in the spring balance D) F>the reading in the spring balance​

Answer 1

Answer:

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