The moment of inertia of a body is independent of its angular velocity.It depends upon the position and orientation of the axis of rotation,shape... View Article
Option (c) Torque is an axial vector. Axial vectors are those vectors that represent rotational effect and act along the axis of rotation. Eg:... View Article
The moment of inertia of a solid sphere of mass M and radius R is (2/5)MR2 Moment of inertia is defined as the quantity expressed by the body... View Article
The SI unit of moment of inertia is kg.m2 Moment of inertia is defined as the ratio of net angular momentum of a system to its angular velocity... View Article
Answer: A ring has a larger moment of inertia because its entire mass is concentrated at the rim at a maximum distance from the axis. Moment... View Article
Second's hand of a clock completes one turn in one second.i.e 1 revolution per minute Angular velocity of second's hand; ω = 2π/60 = π/30 rad/s... View Article
If n is the frequency of rotation of a body, its angular velocity is ____.  2πn 4πn  2πn  4πn Answer: If n is the frequency of rotation... View Article
The angular velocity of the revolution of the planets around the sun increases and this can be explained using Kepler's second law. It is... View Article
Answer: A circus acrobat while performing spins brings his limbs closer to the body. Due to this Angular Momentum is conserved but K.E. is not... View Article
To form an enlarged image of an object in front of a convex lens, it should be placed _____. anywhere between 2F and O behind the focal point... View Article
A) Radians B) Degrees C) Metres D) Revolutions The correct option is C) Metres. Radians, degrees, and revolutions are the units of angular... View Article
Answer: (3) Moment of inertia = Torque × Angular acceleration Net Torque is the product of moment of inertia and angular acceleration.Torque... View Article