A block of mass m is lying on horizontal surface of coefficient of friction `mu.` A force is applied to the block at an angle `theta` with the horizontal. The block will move with a minimum force F if

A block of mass m lying on a horizontal surface (coefficient of static friction = mu_(s)) is to be brought into motion by a pulling force F At what angle theta with the horizontal should the force F be applied so that its magnitude is minimum ? Also find the minimum magnitude

A block of mass m lying on a horizontal surface (coefficient of static friction = mu_(s)) is to be brought into motion by a pulling force F At what angle theta with the horizontal should the force F be applied so that its magnitude is minimum ? Also find the minimum magnitude

A block of mass m is placed at rest on a horizontal rough surface with angle of friction phi . The block is pulled with a force F at an angle theta with the horizontal. The minimum value of F required to move the block is

A block of mass m is placed at rest on a horizontal rough surface with angle of friction phi . The block is pulled with a force F at an angle theta with the horizontal. The minimum value of F required to move the block is

A block of mass m is placed at rest on a horizontal rought surface with angle of friction phi . The block is pulley with a force F at an angle theta with the horizontal. The minimum value of F required to move the block is

Two block m and M tied together with an inextensible string are placed at rest on a rought horizontal surface with coefficient of friction mu The block m is pulled with a variable force F at a varying angle theta with the horizontal .The value of theta at which the least value of F is required to move the blocks given by

Two block m and M tied together with an inextensible string are placed at rest on a rought horizontal surface with coefficient of friction mu The block m is pulled with a variable force F at a varying angle theta with the horizontal .The value of theta at which the least value of F is required to move the blocks given by

A block of mass m lying on a rough horizontal surface of friction coefficient mu is pulled by a force F as shown , the limiting friction between the block and surface will be

A cubical block of side .L. rests on a rough horizontal surface with coefficient of friction mu . A horizontal force F is applied on the block as shown in figure. The minimum force required to topple the block is