Assertion: If angular momentum of an object is constant about a point, then net torque on it abo....

Channel:
PW Solutions
Subscribers:
480,000
Published on ● Video Link: https://www.youtube.com/watch?v=d4g1WKzXwg0


Duration: 1:31
0 views
0

Assertion: If angular momentum of an object is constant about a point, then net torque on it about that point is zero
Reason: Torque is equal to the rate of change of angular momentum. 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2024-05-11Do the comparison between translational motion and rotational motion by making a list of variabl....
2024-05-11Give the expression for the total kinetic energy of a rigid body rolling down an inclined plane ....
2024-05-11Define moment of inertia of a rigid body....
2024-05-11Which physical quantity is expressed by the rate of change of angular velocity?....
2024-05-11What is the relation between moment of inertia (I), angular momentum (L) and angular velocity \(....
2024-05-11Which rule is used to determine the direction of torque?....
2024-05-11Name the physical quantity, which is conserved when no external torque acts on a body. ....
2024-05-11If a point \(A(x, y)\) lies in the region bounded by the \(y\)-axis, straight lines 2y+x=6 ....
2024-05-11The cross product of two vectors is zero. What is the angle between them? ....
2024-05-11Assertion: When a rigid body rotates about any fixed axis, then all the particles of it move in ....
2024-05-11Assertion: If angular momentum of an object is constant about a point, then net torque on it abo....
2024-05-11A number is chosen at random from the set {1,2,3…,2000}. Let \(\mathrm{p}\) be the probab....
2024-05-11The moment of inertia of a body depends o....
2024-05-11A horizontal disc rotating freely about a vertical axis through its centre makes 90 revolutions ....
2024-05-11A hollow sphere of mass \(1 \mathrm{~kg}\) and radius \(10 \mathrm{~cm}\) is free to rotate abou....
2024-05-11A force \(\vec{F}=(2 \hat{i}+3 \hat{j}-5 \hat{k}) \mathrm{N}\) acts at a point \(\vec{r}_{1}=(2 ....
2024-05-11A quarter disc of radius \(R\) and mass \(m\) is rotating about the axis \(O O^{\prime}\) (perpe....
2024-05-11Let \(N\) denotes the sum of the numbers obtained when two dice are rolled. If the probability t....
2024-05-11If two discs of moment of inertia \(I_{1}\) and \(I_{2}\) rotating about collinear axis passing ....
2024-05-11A swimmer while jumping into river from a height easily form a loop in air if....
2024-05-11Three rods each of mass \(m\) and length \(L\) are joined to form an equilateral triangle as sho....