L 5 Rotational motion- problems on torque ,Physics

# L 5 Rotational motion- problems on torque ,Physics Video Lecture | Additional Study Material for NEET

## Additional Study Material for NEET

26 videos|287 docs|64 tests

## FAQs on L 5 Rotational motion- problems on torque ,Physics Video Lecture - Additional Study Material for NEET

 1. What is torque in rotational motion?
Ans. Torque is the measure of the force that can cause an object to rotate about an axis. It is commonly referred to as the rotational equivalent of force and is calculated by multiplying the force applied perpendicular to the axis of rotation by the lever arm distance.
 2. How is torque related to rotational motion?
Ans. Torque plays a crucial role in rotational motion as it determines the rate of change of angular momentum of an object. When a torque is applied to an object, it causes it to rotate and accelerates or decelerates its angular velocity.
 3. What factors affect torque in rotational motion?
Ans. Several factors influence the torque in rotational motion. These include the magnitude of the force applied, the angle at which the force is applied, and the lever arm distance from the axis of rotation to the point of force application. Increasing any of these factors will result in an increase in torque.
 4. How can torque be calculated in rotational motion?
Ans. Torque (τ) can be calculated using the formula τ = r x F, where r is the lever arm distance and F is the force applied perpendicular to the lever arm. The cross product of these two vectors gives the magnitude and direction of the torque.
 5. What is the significance of torque in everyday life?
Ans. Torque has various applications in everyday life. It is crucial in activities such as opening a door, tightening screws, using wrenches, and even in sports like baseball, golf, and tennis. Understanding torque helps in achieving mechanical advantage and better control over rotational motions.

## Additional Study Material for NEET

26 videos|287 docs|64 tests

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