A 3.0kg block has a speed of `2m//s` A and `6m//s` at B. If the distance from A and B along the curve is 12m, how large a frictional force acts on it ? Assuming the same friction, how far from B will it stop ?

A turn of radius 20 m is banked for the vehicle of mass 200 kg going at a speed of 10 m//s . Find the direction and magnitude of frictional force (a) 5 m//s (b) 15 m//s Assume that friction is sufficient to prevent slipping. (g=10 m//s^(2))

A turn of radius 20 m is banked for the vehicle of mass 200 kg going at a speed of 10 m//s . Find the direction and magnitude of frictional force (a) 5 m//s (b) 15 m//s Assume that friction is sufficient to prevent slipping. (g=10 m//s^(2))

A ball moves along a curved path of radius 5m as shown in figure. It starts from point A and reaches the point B. Calculate the normal force that acts on the ball at B, assuming that there is no friction between the ball and the surface of contact.

Two blocks A and B of masses m_(A) and m_(B) have velocity v and 2v respectively at a given instant A horizontal force F acts on the block A There is no friction between ground and block B and coefficient of friction between A and B is mu The friction

A turn of radius 100 m is banked for a speed of 20 m/s (a) Find the banking angle (b) If a vehicle of mass 500 kg negotiates the curve find the force of friction on it if its speed is – (i) 30 m/s (ii) 10 m/s Assume that friction is sufficient to prevent skidding and slipping. [Take "tan" 22^(@) = 0.4 , "sin" 22^(@) = 0.375 , "cos" 22^(@) = 0.93 , g = 10 ms^(-2) ]

In the arrangement shown in figure m_(A) = 4.0 kg and m_(B) = 1.0 kg. The system is released from rest and block B is found to have a speed 0.3 m/s after it has descended through a distance of 1m. Find the coefficient of friction between the block and the table. Neglect friction elsewhere. (Take g = 10 m/ s^(2) )

A constant force acting on a block of mass 5 kg changes (a) its speed from 6m//s to 10 m//s in travelling a distance 8m in a straight line, (b) its speed from 2m//s to 8m//s in 3s a straight line. Find the magnitude and the direction of the force.

A block of mass M is sliding down the plane. Coefficient of static friction is mu_(s) and kinetic friction is mu_(k) . Then friction force acting on the block is :

A block is projected along a rough horizontal road with a speed of 10 m/s. If the coefficient of kinetic friction is 0.10, how far will it travel before coming to rest?

A block is projected along a rough horizontal road with a speed of 10 m/s. If the coefficient of kinetic friction is 0.10, how far will it travel before coming to rest?