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प्रश्न
Earth moves around the sun with uniform velocity.
विकल्प
True
False
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उत्तर
This statement is false.
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संबंधित प्रश्न
For a particle performing uniform circular motion `vecv=vecomegaxxvecr`obtain an expression for linear acceleration of the particle performing non-uniform circular motion.
An aircraft executes a horizontal loop of radius 1.00 km with a steady speed of 900 km/h. Compare its centripetal acceleration with the acceleration due to gravity.
How does uniform circular motion differ from uniform linear motion?
Explain the meaning of uniform circular motion. Give one example of such motion.
Name the force required for uniform circular motion. State its direction.
Define angular velocity.
Solve the following problem.
A particle moves in a circle with a constant speed of 15 m/s. The radius of the circle is 2 m. Determine the centripetal acceleration of the particle.
The angle subtended by the vector A = `5hat"i" + 3hat"j" + 12hat"k"` with the X-axis is ______.
The ratio of the angular speed of minute hand and hour hand of a watch is ____________.
A particle performs uniform circular motion in a horizontal plane. The radius of the circle is 8 cm. The centripetal force acting on the particle is 15 N. Its kinetic energy is ____________.
Two particles P and Q are moving in concentric circles of rarui rp and rQ respectively. If their period of revolutions are in ratio 2 : 3, then ratio of their centripetal acceleration is ____________.
The given graph represents motion with ______ speed.
A flywheel at rest is to reach an angular velocity of 24 rad/s in 8 second with constant angular acceleration. The total angle turned through during this interval is ______.
A ceiling fan rotates about its own axis with some angular velocity. When the fan is switched off the angular velocity becomes `(1/4)^"th"` of the original in time 't' and 'n' revolutions are made in that time. The number of revolutions made by the fan during the time interval between switch off and rest are ______. (Angular retardation is uniform)
The acceleration of a point on the rim of a flywheel 1 m in diameter, if it makes 1200 rpm is ______.
Explain the meaning of uniform circular motion.
What is the direction of the velocity of an object at any point during uniform circular motion?
What is the direction of the velocity of an object at any point during uniform circular motion?
