A block of mass m slides along a frictionless surfce as shown in the figure. If it is releases from rest t A what is its speed at B?

A block of mass m slides along a frictionless surface as shown in the figure. If it is releases from rest from A what is its speed at B?

A block of mass m slides along a frictionless surface as shown in the figure. If it is releases from rest from A what is its speed at B?

A small block of mass m slides along a smooth frictional track as shown in the figure. If it starts from rest at P, what is the resultant force acting on it at Q?

A small block of mass m slides along a smooth frictional track as shown in the figure. If it starts from rest at P, what is the resultant force acting on it at Q?

A small block of mass m slides along a smooth frictionless track as shown. (a) If it starts from rest at P , what is the resultant force acting on it at Q ? (b) At what height above the bottom should the block be released so that the force it exerts against the track at the top of the loop equals its weight?

A small block of mass m slides along a smooth track, as shown in fig. (i) If it starts from rest at P, what is the resulting force acting on it at Q ? (ii) at what height above the bottom of the loop should the block be released so that the force it exerts against the track at the top of the loop equals its weight?