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Angular momentum of the particle rotanting with a central force due to a)zero torque b)constant linear momentum c)constant force d)constant torque

Angular momentum of the particle rotanting with a central force due to
a)zero torque
b)constant linear momentum
c)constant force
d)constant torque

Grade:

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
2 years ago
Torque due to central force about the Center of Mass is zero. So there is no external torque acting on the body. Therefore angular momentum is conserved. As external torque about a point is the rate of change of angular momentum about that point.
Vikas TU
14149 Points
2 years ago
 angular momentum is the cross product of position of particle from the axis of rotation and linear momentum. denotes linear momentum. we also know, rate of change of angular momentum per unit time is known as torque. it is the expression for torque acting on rotating body with constant angular acceleration

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