Advertisements
Advertisements
Question
Why is the motion of a body moving with a constant speed around a circular path said to be accelerated?
Advertisements
Solution
In circular motion with constant speed linear velocity changes in terms of direction, therefore, it is accelerated motion.
APPEARS IN
RELATED QUESTIONS
A vehicle is moving on a circular track whose surface is inclined towards the horizon at an angle of 10°. The maximum velocity with which it can move safely is 36 km / hr. Calculate the length of the circular track. [π = 3.142]
Is the uniform circular motion accelerated? Give reasons for your answer.
If a particle moves with uniform speed then its tangential acceleration will be ______.
The ratio of angular speed of a hour-hand to the second-hand of a watch is ____________.
The ratio of the angular speed of minute hand and hour hand of a watch is ____________.
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 ____________.
The distance of the Sun from earth is 1.5 × 1011 m and its angular diameter is (2000) s when observed from the earth. The diameter of the Sun will be ______.
A thin uniform circular disc of mass M and radius R is rotating in a horizontal plane about an axis passing through its centre and perpendicular to its plane with an angular velocity ω. Another disc of same dimensions, but of mass `1/4`M is placed gently on the first disc co-axially. The. angular velocity of the system 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 ______.
Explain the meaning of uniform circular motion.
