Define torque. Give its units.

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Torque is a measure of the ability of a force to rotate an object around an axis or a pivot. It is also known as the moment of force. Mathematically, torque (τ) is defined as the cross product of the force (F) and the distance (r) from the axis of rotation to the point of application of the force:

τ = r × F

where × denotes the vector cross product.

Torque

The units of torque depends on the units used for force and distance.

In the International System of Units (SI), the unit of force is the newton (N) and the unit of distance is the meter (m). Therefore, the unit of torque is the newton-meter (N⋅m).
In other systems of units, such as the British engineering system, the unit of force is the pound (lb) and the unit of distance is the foot (ft), so the unit of torque is the pound-foot (lb-ft).
The C.G.S unit of torque is dyne-cm.

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Concepts related to Torque
Moment of force	Rolling motion	Angular momentum
Angular displacement	Angular speed	Rotational Kinetic Energy
Radius of Gyration	Center of Mass	Torque Formula

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Define torque. Give its units.

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4.
Two metal spheres of radii $r_1$ and $r_2$ ($> r_1$) having charges $q_1$ and $q_2$ respectively kept in air, are brought in contact. Which of the following statements is not correct ?

6.
If T is the time period of the rotation of the coil, at what values of t in a cycle, the emf generator is maximum ?

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Define torque. Give its units.

CBSE CLASS XII Related Questions

4.Two metal spheres of radii $r_1$ and $r_2$ ($> r_1$) having charges $q_1$ and $q_2$ respectively kept in air, are brought in contact. Which of the following statements is not correct ?

6.If T is the time period of the rotation of the coil, at what values of t in a cycle, the emf generator is maximum ?

Similar Physics Concepts

Comments

SUBSCRIBE TO OUR NEWS LETTER

4.
Two metal spheres of radii $r_1$ and $r_2$ ($> r_1$) having charges $q_1$ and $q_2$ respectively kept in air, are brought in contact. Which of the following statements is not correct ?

6.
If T is the time period of the rotation of the coil, at what values of t in a cycle, the emf generator is maximum ?