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

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

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 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 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 is placed on a horizontla surface. If the block is pulled by applying a force of magnitude F=5mg at an angle theta=37^(@) , with horizontal as shown in fig. find the acceleration of the block at the given instant.

A block of mass m is placed on a horizontla surface. If the block is pulled by applying a force of magnitude F=5mg at an angle theta=37^(@) , with horizontal as shown in fig. find the acceleration of the block at the given instant.

A block is placed on a horizontal surface. The block is pushed by applying a force F which acts at an angle of theta with the vertical. How much force will be required to move the block if frictional coefficient mu ? Discuss the fact if tan theta< mu .