# A body weighing 50 kg is evenly lifted with the help of a movable block. In this case, the thrust force is equal to ..

June 30, 2021 | education

| Since the movable block always gives a 2-fold gain in strength, the traction force is equal to:

P = F / 2, where P is the traction force, F = Ft (gravity) is the force acting on the body (Ft = m * g, where m is the mass of the body (m = 50 kg), g is the acceleration of gravity (we take g = 9.8 m / s ^ 2).

Let’s calculate the traction force for uniform lifting of the load:

Pd = F / 2 = m * g / 2 = 50 * 9.8 / 2 = 245 N.

Answer: The thrust force is 245 N.

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