Question Answers

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 [...]

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 [...]

A particle moves in a circular path with decreasing speed. Choose the correct statement. A particle moves in a circular path with decreasing speed. Choose the correct statement. October 29, 2020 Category: Chapter 7 - Circular Motion , MTG NEET Physics , Part 1 ,

A partition divides a container having insulated walls into two compartments 1 and 2. The same gas fills the two compartments whose initial parameters are given. The partition A partition divides a container having insulated walls into two compartments 1 and 2. The same gas fills the two compartments whose initial parameters are given. The [...]

A body moving along a circular path of radius R with velocity v, has centripetal acceleration a. if its velocity is made equal to 2v, then its centripetal acceleration is A body moving along a circular path of radius R with velocity v has centripetal acceleration a. if its velocity is made equal to 2v [...]

A particle moves in a circle of radius 25 cm at two revolutions per sec. The acceleration of the particle in m/s^2 is: A particle moves in a circle of radius 25 cm at two revolutions per sec. The acceleration of the particle in m/s^2 is: October 29, 2020 Category: Chapter 7 - Circular Motion [...]

A car is moving along a circular road at speed of 20m/s. The radius of the circular road is 10m. If the speed in increased at the rate of 30m/s^2, what is the resultant acceleration ? A car is moving along a circular road at speed of 20m/s. The radius of the circular road is [...]

The earth moves round the sun in a near circular orbit of radius 1.5×10^11 m. Its centripetal acceleration is: The earth moves round the sun in a near circular orbit of radius 1.5×10^11 m. Its centripetal acceleration is: October 29, 2020 Category: Chapter 7 - Circular Motion , MTG NEET Physics , Part 1 ,

Two particles A and B are located at distances rA and rB respectively from the centre of a rotating disc such that rA > rB . In this case if angular velocity (ω) of rotating is constant then Two particles A and B are located at distances rA and rB respectively from the centre of [...]