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प्रश्न
Which one of the following is most likely not a case of uniform circular motion?
विकल्प
Motion of the Earth around the Sun.
Motion of a toy train on a circular track.
Motion of a racing car on a circular track.
Motion of hours’ hand on the dial of the clock.
उत्तर
Motion of the Earth around the Sun.
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संबंधित प्रश्न
Read the statement below carefully and state, with reason, if it is true or false:
The acceleration vector of a particle in uniform circular motion averaged over one cycle is a null vector.
Draw a neat labelled diagram for a particle moving in a circular path with a constant speed. In you diagram show the direction of velocity at any instant.
A uniform circular motion is an accelerated motion. Explain it. State whether the acceleration is uniform or variable? Name the force responsible to cause this acceleration. What is the direction of force at any instant? Draw a diagram in support of your answer.
In a uniform circular motion, the speed continuously changes because of the direction of motion changes.
Which of the following quantity remains constant in a uniform circular motion?
Answer the following question.
Show that the centripetal force on a particle undergoing uniform circular motion is -mrω2.
In uniform motion, an object travels equal ______ in ______ interval of time.
A particle moves along a circle of radius r with constant tangential acceleration. If the velocity of the particle is v at the end of second revolution, after the revolution has started, then the tangential acceleration is ______.
The acceleration of a point on the rim of a flywheel 1 m in diameter, if it makes 1200 rpm is ______.
A body of mass m is moving in circle of radius r with a constant speed v. The work done by the centripetal force in moving the body over half the circumference of the circle is ______.
