When a body moves with a constant speed along a circle
When a body moves with a constant speed along a circle
- [AIIMS 1994]
- A
no work is done on it
- B
no acceleration is produced in it
- C
its velocity remains constant
- D
no force acts on it
Similar Questions
$Assertion$ : When a particle moves in a circle with a uniform speed, its velocity and acceleration both changes.
$Reason$ : The centripetal acceleration in circular motion is dependent on angular velocity of the body.
$Assertion$ : When a particle moves in a circle with a uniform speed, its velocity and acceleration both changes.
$Reason$ : The centripetal acceleration in circular motion is dependent on angular velocity of the body.
- [AIIMS 2010]
The driver of a car travelling at velocity $v$ suddenly see a broad wall in front of him at a distance $d$. He should
The driver of a car travelling at velocity $v$ suddenly see a broad wall in front of him at a distance $d$. He should
- [IIT 1977]
A wheel is rotating at $900\, r.p.m.$ about its axis. When the power is cut-off, it comes to rest in $1\,minute$ . The angular retardation in $radian/s^2$ is:-
A wheel is rotating at $900\, r.p.m.$ about its axis. When the power is cut-off, it comes to rest in $1\,minute$ . The angular retardation in $radian/s^2$ is:-
A car is going round a circle of radius $R_1$ with constant speed. Another car is going round a circle of radius $R_2$ with constant speed. If both of them take same time to complete the circles, the ratio of their angular speeds and linear speeds will be .........
A car is going round a circle of radius $R_1$ with constant speed. Another car is going round a circle of radius $R_2$ with constant speed. If both of them take same time to complete the circles, the ratio of their angular speeds and linear speeds will be .........
The average acceleration vector for a particle having a uniform circular motion is
The average acceleration vector for a particle having a uniform circular motion is