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Questions and Answers
In a system of particles, the center of mass is a point where:
In a system of particles, the center of mass is a point where:
- The total internal force is zero
- The total kinetic energy is maximum
- The total external force can be considered to act (correct)
- The total potential energy is minimum
Which of the following is true for rotational motion?
Which of the following is true for rotational motion?
- The angular velocity is always constant
- The torque is the rate of change of angular momentum (correct)
- The angular acceleration is independent of the net torque
- The moment of inertia depends on the axis of rotation
When a net torque is applied to an object, it will result in:
When a net torque is applied to an object, it will result in:
- No effect on the object
- Rotational acceleration (correct)
- Constant angular velocity
- Linear motion
