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COM of Center of Masses

A block of ma...

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A block of mass M is kept on a rough horizontal surface . The coefficient of static friction between the block and the surface is n' . The block is to pulled by applying a force to it . What MINIMUM force is needed to slide the block? In which direction should this force act?

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Q. A block of mass M is kept on a rough horizontal surface. The coefficient of static friction between the block and the surface is μ. The block is to be pulled by applying a force to it. What minimum force is needed to slide the block? In which direction should this force act?

Q. A block of mass 4 kg is kept on a rough horizontal surface as shown in figure. A horizontal force of 19.6 N is just able to slide the block (a) Find the coefficient of static friction. (b) If a force of 16 N acts then what is the frictional force acting on the block?

Q. A block of mass 4kg is kept on a rough horizontal surface as shown in the figure.A horizontal force of 19.4N is just able to slide the block (a) Find the coefficient of static friction.(b) If a force of 16N acts then what is the frictional force acting on the block?

Q. A block of mass m= 2 kg is kept on a rough horizontal surface. A horizontal force F= 5N

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= 0.25 is just able to slide the block. Find the coefficient of static friction. If F= 4N, then what is the frictional force acting on the block?

Q. A block of mass

4 kg

is kept on a rough horizontal surface. The coefficient of static friction is

0.8

. If a force of

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is applied on the block parallel to the floor, then the force of friction between the block and the floor is

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