Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
All the points of a rigid body rotating about a given axis have same:
Answer: B. Angular velocity All the points of a rigid body rotating about a given axis have same angular velocity.
Answer: B. Angular velocity
See lessAll the points of a rigid body rotating about a given axis have same angular velocity.
Kepler’s law of areal velocity follows from:
Answer: D. Law of conservation of angular momentum Kepler's law of areal velocity follows from law of conservation of angular momentum.
Answer: D. Law of conservation of angular momentum
See lessKepler’s law of areal velocity follows from law of conservation of angular momentum.
To move a body in a circle, which of the following force is needed:
Answer: C. Centripetal To move a body in a circle centripetal force is needed.
Answer: C. Centripetal
See lessTo move a body in a circle centripetal force is needed.
The centre of mass of system of particles does not depend on:
Answer: B. Force on the particles The centre of mass of system of particles does not depend on force on the particles.
Answer: B. Force on the particles
See lessThe centre of mass of system of particles does not depend on force on the particles.
A motor cyclist going round in a circular track at a constant speed has:
Answer: C. Acceleration with constant magnitude with its direction changing A motor cyclist going round in a circular track at a constant speed has acceleration with constant magnitude with its direction changing.
Answer: C. Acceleration with constant magnitude with its direction changing
See lessA motor cyclist going round in a circular track at a constant speed has acceleration with constant magnitude with its direction changing.
To move a body in a circle, which of the following force is needed:
Answer: C. Centripetal To move a body in a circle, centripetal force is needed.
Answer: C. Centripetal
See lessTo move a body in a circle, centripetal force is needed.
The centre of gravity and centre of mass of bodies coincide:
Answer: B. May be The centre of gravity and centre of mass of body may be coincide.
Answer: B. May be
See lessThe centre of gravity and centre of mass of body may be coincide.
When mass and speed are doubled, the kinetic energy increase:
Answer: C. 8 times When mass and speed are doubled, the kinetic energy increase 8 times.
Answer: C. 8 times
See lessWhen mass and speed are doubled, the kinetic energy increase 8 times.
A force acts on a body in the direction of motion. The kinetic energy of body will:
Answer: A. Increase A force acts on a body in the direction of motion. The kinetic energy of body will be increase.
Answer: A. Increase
See lessA force acts on a body in the direction of motion. The kinetic energy of body will be increase.
If a shell fired from a cannon explodes in mid air, then
Answer: C. Its total kinetic energy increase If a shell fired from a cannon explodes in mid air, then its total kinetic energy increase.
Answer: C. Its total kinetic energy increase
See lessIf a shell fired from a cannon explodes in mid air, then its total kinetic energy increase.