7. A small block with mass m 1 rests on a frictionless horizontal tables at a di

Question

7. A small block with mass m1 rests on a frictionless horizontal tables at a distance r from a hole. A string tied to the block passes through the hole to a second block of mass m2. The small block is put in circular motion with a radius r and speed v. What must v be if the large block m2 is to remain motionless?

A small block with mass m1 rests on a frictionless horizontal tables at a distance r from a hole. A string tied to the block passes through the hole to a second block of mass m2. The small block is put in circular motion with a radius r and speed v. What must v be if the large block m2 is to remain motionless?

Explanation / Answer

m2 to remain stationary

m2g =m1*v^2/r

so V =sqrt(m2g*r/m1)

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