Chapter 7 – Circular Motion
In vertical circular motion, the ratio of kinetic energy of a particle at highest point to that at lowest point is
29
Oct
In vertical circular motion, the ratio of kinetic energy of a particle at highest point to that at lowest point is In vertical circular motion the ratio of kinetic energy of a particle at highest point to that at lowest point is October 29, 2020 Category: Chapter 7 - Circular Motion , MTG NEET Physics [...]
A stone of mass m is tied to a string and is moved in a vertical circle of radius r. The difference in tension at the lowest point and the highest point is.
29
Oct
A stone of mass m is tied to a string and is moved in a vertical circle of radius r. The difference in tension at the lowest point and the highest point is. A stone of mass m is tied to a string and is moved in a vertical circle of radius r. The difference [...]
A body of mass 1kg is moving in a vertical circular path of radius 1m. The difference between the kinetic energies at its highest and lowest positions is :
29
Oct
A body of mass 1kg is moving in a vertical circular path of radius 1m. The difference between the kinetic energies at its highest and lowest positions is : A body of mass 1kg is moving in a vertical circular path of radius 1m. The difference between the kinetic energies at its highest and lowest [...]
An object is tied to a string and rotated in a vertical circle of radius r. Constant speed is maintained along the trajectory. If Tmax/Tmin = 2, then v^2/rg is
29
Oct
An object is tied to a string and rotated in a vertical circle of radius r. Constant speed is maintained along the trajectory. If Tmax/Tmin = 2, then v^2/rg is An object is tied to a string and rotated in a vertical circle of radius r. Constant speed is maintained along the trajectory. If Tmax/Tmin [...]
The velocity of a body moving in a vertical circle of radius r is 7gr−−−√ at the lowest point of the circle. What is the ratio of maximum and minimum tension?
29
Oct
The velocity of a body moving in a vertical circle of radius r is 7gr−−−√ at the lowest point of the circle. What is the ratio of maximum and minimum tension? The velocity of a body moving in a vertical circle of radius r is 7gr−−−√ at the lowest point of the circle. What is [...]
Two equal masses m1 and m2 moving along the same straight line with velocities +3m/s and −5m/s respectively collide elastically. Their velocities after the collision will be respectively :
29
Oct
Two equal masses m1 and m2 moving along the same straight line with velocities +3m/s and −5m/s respectively collide elastically. Their velocities after the collision will be respectively : Two equal masses m1 and m2 moving along the same straight line with velocities +3m/s and −5m/s respectively collide elastically. Their velocities after the collision will [...]
A horizontal circular platform is free to rotate about its centre. a block of mass m is placed at distance l from centre on the plateform. The coefficient of friction between plateform and the block is u if space is gravity free, then find the time after which the block starts to slip.
29
Oct
A horizontal circular platform is free to rotate about its centre. a block of mass m is placed at distance l from centre on the plateform. The coefficient of friction between plateform and the block is u if space is gravity free, then find the time after which the block starts to slip. What is [...]
A long horizontal rod has a bead which can slide along its length and is initially placed at a distance L from one end A with constant angular acceleration a .If the coefficient of friction between the rod and the bead is u and gravity is neglected then the time after which the bead starts slipping is
29
Oct
A long horizontal rod has a bead which can slide along its length and is initially placed at a distance L from one end A with constant angular acceleration a .If the coefficient of friction between the rod and the bead is u and gravity is neglected then the time after which the bead starts [...]
A block of mass m gently placed in a circular groove in a turntable. vertically wall of groove are smooth while coefficient of kinetic friction between bottom surface of groove and the block is u = 0.2. The turntable is rotating rapidly about the vertical axis passing through the centre. Find the speed gained by the block in 2s.
29
Oct
A block of mass m gently placed in a circular groove in a turntable. vertically wall of groove are smooth while coefficient of kinetic friction between bottom surface of groove and the block is u = 0.2. The turntable is rotating rapidly about the vertical axis passing through the centre. Find the speed gained by [...]
Which of the following best represents plot of the centripetal acceleration a against speed v for a particle moving with an increasing speed on a circular path ?
29
Oct
Which of the following best represents plot of the centripetal acceleration a against speed v for a particle moving with an increasing speed on a circular path ? Which of the following best represents plot of the centripetal acceleration a against speed v for a particle moving with an increasing speed on a circular path [...]