Question

# A particle is moving along the circle in anticlockwise direction. The x–y plane is a rough horizontal stationary surface. At the point , the unit vector in the direction of friction on the particle is

## The correct answer is:

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### If then the solution set in is

### If then the solution set in is

A man of mass 50 kg is pulling on a plank of mass 100 kg kept on a smooth floor as shown with force of 100 N. If both man & plank move together, find force of friction acting on man

A man of mass 50 kg is pulling on a plank of mass 100 kg kept on a smooth floor as shown with force of 100 N. If both man & plank move together, find force of friction acting on man

### Solutions in the given Interval: The value of satisfying are

### Solutions in the given Interval: The value of satisfying are

### The area of the equilateral triangle which containing three coins of unity radius is

### The area of the equilateral triangle which containing three coins of unity radius is

### If then x =

### If then x =

### The curvesandcut each other at the common point at an angle

### The curvesandcut each other at the common point at an angle

Block A of mass m is placed over a wedge B of same mass m. Assuming all surfaces to be smooth. The displacement of block A in 1 s if the system is released from rest is

Block A of mass m is placed over a wedge B of same mass m. Assuming all surfaces to be smooth. The displacement of block A in 1 s if the system is released from rest is

### If and then the are

### If and then the are

In the figure shown block B moves down with a velocity 10 m/s. The velocity of A in the position shown is

In the figure shown block B moves down with a velocity 10 m/s. The velocity of A in the position shown is

### If then the G S of =

### If then the G S of =

### A light string fixed at one end to a clamp on ground passes over a fixed pulley and hangs at the other side. It makes an angle of with the ground. A monkey of mass 5 kg climbs up the rope. The clamp can tolerate a vertical force of 40 N only. The maximum acceleration in upward direction with which the monkey can climb safely is (neglect friction and take ):

### A light string fixed at one end to a clamp on ground passes over a fixed pulley and hangs at the other side. It makes an angle of with the ground. A monkey of mass 5 kg climbs up the rope. The clamp can tolerate a vertical force of 40 N only. The maximum acceleration in upward direction with which the monkey can climb safely is (neglect friction and take ):

An inclined plane makes an angles with the horizontal. A groove OA=5m cut in the plane makes an angle with OX. A short smooth cylinder is free to slide down the influence of gravity. The time taken by the cylinder to reach from A to O is

An inclined plane makes an angles with the horizontal. A groove OA=5m cut in the plane makes an angle with OX. A short smooth cylinder is free to slide down the influence of gravity. The time taken by the cylinder to reach from A to O is

### The general value of satisfies the equation is

### The general value of satisfies the equation is

A block of weight W is suspended by a string of fixed length. The ends of the string are held at various positions as shown in the figures below. In which case, if any, is the magnitude of the tension along the string largest?

A block of weight W is suspended by a string of fixed length. The ends of the string are held at various positions as shown in the figures below. In which case, if any, is the magnitude of the tension along the string largest?