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WorksheetsTopic 6: Circular Motion
Total questions: 9
Worksheet time: 5mins
Uniform circular motion is the motion of an object in a circle with a ________________ but the direction of the velocity is continually changing with time.
uniform acceleration
constant velocity
constant speed
Angular velocity, ω defined as the rate of change of _________________
angular distance
uniform speed
angular displacement
A body is moving in a circular path with a constant speed. It has
Constant velocity
An acceleration which varies with time
Acceleration of constant magnitude
A car is making a turn at speed v. The radius of the turn is r and the centripetal force on the car is F.If the car rounds the same curve at speed 2v, the required centripetal force is
1/2 F
F
2F
4F
Which of the following statements is not true for a stone attached to a string and swung in a uniform vertical circular motion?
The magnitude of resultant force acting on the stone changes depending on the position of the stone in the circle.
The tension in the string is lowest when the stone is at the highest point of the circular motion.
The kinetic energy of the stone is constant throughout the entire circular motion.
The resultant acceleration is always directed towards the centre of the circle.
Which of the following depict the velocity of the ball?
A
B
C
D
