A force of 750 N is applied to a block o...

A force of 750 N is applied to a block of mass 102 kg to prevent it from sliding on a plane with an inclination angle `30^@` with the horizontal. If the coefficients of static friction and kinetic friction between the block and the plane are 0.4 and 0.3 respectively, then the frictional force acting on the block is

750 N

500 N

345 N

250 N

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