In the above diagram all surface friction less what horizontal force has to be applied on wedge such in equilibrium steady state sping is compressed by `(mg sin theta)/(K)`
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In the diagram given below all surfaces are frictionless. What horizontal force has to be applied on wedge such that in equilibium steady state spring is compressed by (mg sin theta)/k ?

Two bars of masses m_1 and m_2 connected by a non-deformed light spring rest on a horizontal plane. The coefficient of friction between the bars and the surface is equal to k. What minimum constant force has to be applied in the horizontal direction to the bar of mass m_1 in order to shift the other bar?

What force should be applied on the wedge so that block over it does not move? (All surfaces are smooth)

What force should be applied on the wedge so that block over it does not move? (All surfaces are smooth)

A wedge of mass m is placed on a horizontal smooth table. A block of mass m is placed at the mid point of the smooth inclined surface having length L along its line of greatest slope. Inclination of the inclined surface is theta= 45^(@) . The block is released and simultaneously a constant horizontal force F is applied on the wedge as shown. (a) What is value of F if the block does not slide on the wedge? (b) In how much time the block will come out of the incline surface if applied force is 1.5 times that found in part (a)

A wedge of mass M makes an angle theta with the horizontal. The wedge is placed on horizontal frictionless surface. A small block of mass m is placed on the inclined surface of wedge. What horizontal force F must be applied to the wedge so that the force of friction between the block and wedge is zero ?

A wedge with mass M rests on a frictionless horizontal surface A block with mass m is placed on the wedge. There is no friction between the block and the wedge. A horizontal force f is applied to the wedge. What magnitude F must have if the block is to remain at constant height above the table top?

A block weighing 20 N rests on a horizontal surface. The: coefficient of static friction between block and surface is 0.40 and the coefficient of kinetic friction is 0.20. ( a) How large is the friction force exerted on the block? (b) How great will the friction force be if a horizontal force of 5 N is exerted on the block? (c) What is the minimum force that will start the block in motion? (d) What is the minimum force that will keep the block in motion once it has been started? (e) If the horizontal force is 10 N, what is the friction force?

A box of bananas weighing 40.0N rests on a horizontal surface is 0.40 and the coefficient of kinetic friction is 0.20 a. If no horizontal force is applied to the box and the box is at rest , how large is the friction force excered on the box ? b. What is the magnitude of the friction forces if a monkey applies a horizontal force of 6.0 N to the box and the box is initial at rest? c. What minimum horizontal force must the monkey apply to start the box in motion ? d. What minimum horizontal force must the monkey apply to keep the box moving at constant velocity once it has been starts? e. If the monkey applies a horizontal force of 18.0N What is the magnitude of the friction force and what is the box's acceleration ?

A box of bananas weighing 40.0N rests on a horizontal surface is 0.40 and the coefficient of kinetic friction is 0.20 a. If no horizontal force is applied to the box and the box is at rest , how large is the friction force excered on the box ? b. What is the magnitude of the friction forces if a monkey applies a horizontal force of 6.0 N to the box and the box is initial at rest? c. What minimum horizontal force must the monkey apply to start the box in motion ? d. What minimum horizontal force must the monkey apply to keep the box moving at constant velocity once it has been starts? e. If the monkey applies a horizontal force of 18.0N What is the magnitude of the friction force and what is the box's acceleration ?