The figure shows a spool placed at rest on a horizontal rough surface. A tightly wound string on the inner cylinder is pulled horizontally with a force F. identify the correct alternative related to the friction f acting on the spool

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

In the following problems, indicate the correct direction of friction force acting on the cylinder, which is pulled on a rough surface by a constant force F . A cylinder is pulled horizontally by a force F acting at a point below the centre of mass of the cylinder, as shown in figure. The friction force can be given by which of the following diagrams. .

In the following problems, indicate the correct direction of friction force acting on the cylinder, which is pulled on a rough surface by a constant force F . A cylinder is pulled horizontal by a force F acting at a point the centre of mass of the cylinder, as shown in figure. The friction force can be given by which of the following diagrams. .

A spool of inner radius R and outer radius 3R has a moment of inertia = MR^(2) about an axis passing through it's geometric centre, where M is the mass of the spool. A thread wound on the inner surface of the spool is pulled horizontally with a constant force = Mg . Find the acceleration of the point on which is being pulled assuming that the spool rolls purely on the floor. .

Two forces of magnitude F are acting on a uniform disc kept on a horizontal rough surface as shown in the figure. Friction force by the horizontal surface on the disc is nF . Find the value of n .

Two forces of magnitude F are acting on a uniform disc kept on a horizontal rough surface as shown in the figure. Friction force by the horizontal surface on the disc is nF . Find the value of n .

Uniform solid cylinder of mass m and radius R is placed on a rough horizontal surface. A horizontal constant force is applied at the top point P of the cylinder so that it start pure rolling .In the above question, the frictional force on the cylinder is

Choose the correct option: A spool of wire rests on a horizontal surface as shown in figure. As the wire is pulled, the spool does not slip at contact point P. On separate trials, each one of the force F_(1),F_(2),F_(3) " and " F_(4) is applied to the spool. For each one of these forces the spool.

A force F is applied horizontally on a cylinder in the line of centre as shown in the figure. The cylinder is on a rough surface of coefficient of fricition mu . The direction of the friction force acting on the cylinder will be