Q1PhysicsUnit 5: Rotational Motion
Which of the following laws are conserved, if the areal acceleration is
zero
Physics · JEE
Medium Basic concepts of rotational motion, moment of a force, torque, angular momentum, conservation of angular momentum and its applications MCQs for JEE
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Medium Basic concepts of rotational motion, moment of a force, torque, angular momentum, conservation of angular momentum and its applications MCQs bridge basics and advanced JEE problems — 31+ available on Goodmarks.
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Syllabus context
Part of Rotational Motion in JEE Main Physics.
- Centre of mass of a two-particle system, centre of mass of a rigid body
- Basic concepts of rotational motion, moment of a force, torque, angular momentum, conservation of angular momentum and its applications
- The moment of inertia, the radius of gyration, values of moments of inertia for simple geometrical objects
- Parallel and perpendicular axes theorems and their applications
- Equilibrium of rigid bodies, rigid body rotation and equations of rotational motion, comparison of linear and rotational motions
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Q2PhysicsUnit 5: Rotational Motion
Calculate total moment of the two
forces about
Q3PhysicsUnit 5: Rotational Motion
When there is no external torque acting on a body moving in an elliptical path, which of the following quantities remains constant?
Q4PhysicsUnit 5: Rotational Motion
A solid sphere is rotating in free space. If the radius of the sphere is increased keeping the mass same without applying any external force, which one of the following will not be affected?
Q5PhysicsUnit 5: Rotational Motion
If the earth shrinks to half of its radius
without changing its mass, the duration of the day will be
Q6PhysicsUnit 5: Rotational Motion
A sphere rolls without sliding on a
rough inclined plane (only mg and contact forces are acting on the body).
The angular momentum, of the body:
Q7PhysicsUnit 5: Rotational Motion
A swimmer while jumping into water
from a height easily forms a loop in air, if
Q8PhysicsUnit 5: Rotational Motion
Moment of inertia of a body about an
axis is The body is initially at rest and a torque of 8 N starts acting on it along the same axis. Work done by
the torque in in joules, is :
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