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प्रश्न
A uniform linear motion is unaccelerated, while a uniform circular motion is an accelerated motion.
विकल्प
True
False
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उत्तर
This statement is true.
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संबंधित प्रश्न
A cyclist is riding with a speed of 27 km/h. As he approaches a circular turn on the road of radius 80 m, he applies brakes and reduces his speed at the constant rate of 0.50 m/s every second. What is the magnitude and direction of the net acceleration of the cyclist on the circular turn?
Earth moves around the sun with uniform velocity.
Complete a sentence and explain it.
When an object is in uniform circular motion, its ______ changes at every point.
Certain neutron stars are believed to be rotating at about 1 rev/s. If such a star has a radius of 1.6 km, the acceleration of an object on the equator of the star will be nearly ____________.
A stone of mass 3 kg attached at one end of a 2m long string is whirled in horizontal circle. The string makes an angle of 45° with the vertical then the centripetal force acting on the string is ______.
(g = 10 m/s2 , tan 45° = 1)
The motion of the bus is ______ motion.
For a particle performing uniform circular motion, choose the correct statement(s) from the following:
- Magnitude of particle velocity (speed) remains constant.
- Particle velocity remains directed perpendicular to radius vector.
- Direction of acceleration keeps changing as particle moves.
- Angular momentum is constant in magnitude but direction keeps changing.
Angular speed of hour hand of a clock in degree per second is ______.
What is the direction of the velocity of an object at any point during uniform circular motion?
Angular displacement is measured in which unit?
