The centripetal force acting on an object moving in a circular path is directed:
a) Toward the center of the circle
b) Away from the center of the circle
c) Along the tangential path
d) In the opposite direction to the velocity
The speed of an object in uniform circular motion is:
a) Constant
b) Increasing
c) Decreasing
d) Varying
Centripetal acceleration is directed:
a) Toward the center of the circle
b) Along the tangential path
c) Away from the center of the circle
d) At an angle to the velocity
The centripetal force is proportional to:
a) The mass of the object
b) The square of the velocity
c) The radius of the circular path
d) All of the above
For an object to move in a circle, there must be:
a) A constant velocity
b) A net force acting toward the center
c) A tangential force
d) No net force at all
The angular velocity of an object in circular motion is:
a) The distance traveled divided by the time taken
b) The rate of change of angular displacement
c) The radius of the circle
d) The product of the radius and linear velocity
If the radius of a circular path is doubled, the centripetal force:
a) Doubles
b) Quadruples
c) Halves
d) Remains the same
If the speed of an object in uniform circular motion is doubled, the centripetal force will:
a) Increase by a factor of four
b) Increase by a factor of two
c) Stay the same
d) Decrease by a factor of two
Centripetal force is the force required to:
a) Accelerate the object in a circular path
b) Change the velocity of the object
c) Increase the radius of the circular path
d) Keep the object stationary
Which of the following is the unit of centripetal force?
a) Newton (N)
b) Kilogram (kg)
c) Meter per second (m/s)
d) Meter per second squared (m/s²)
The velocity of an object moving in a circular path is:
a) Tangential to the circle
b) Radial
c) Perpendicular to the centripetal force
d) Directed inward
The period of revolution of an object in circular motion is the:
a) Time taken to complete one full circle
b) Distance traveled in one revolution
c) Time taken to reach the center of the circle
d) Speed of the object
The tangential velocity of an object in circular motion is related to:
a) The radius of the circular path
b) The frequency of revolution
c) The centripetal force
d) The mass of the object
In a car turning in a circular path, the friction between the tires and the road provides:
a) Centripetal force
b) Centrifugal force
c) Gravitational force
d) Normal force
If the radius of a circular motion is increased, while the velocity remains constant, the centripetal force:
a) Decreases
b) Increases
c) Remains the same
d) Becomes zero
Which of the following would not affect the centripetal force?
a) Speed of the object
b) Mass of the object
c) Radius of the circle
d) Gravitational acceleration
The direction of the centripetal force is:
a) Toward the center of the circle
b) Tangential to the path
c) Away from the center of the circle
d) In the direction of motion
In a banked curve, the centripetal force is provided by:
a) The frictional force
b) The normal force and friction
c) Only the normal force
d) The gravitational force
The magnitude of the centripetal force required to keep an object in circular motion depends on:
a) The speed of the object and the radius of the path
b) The mass of the object and the radius of the path
c) The mass of the object and the speed of the object
d) All of the above
In an object moving in uniform circular motion, the work done by the centripetal force is:
a) Positive
b) Negative
c) Zero
d) Maximum
The centripetal force is responsible for changing:
a) The direction of motion
b) The speed of motion
c) The energy of the object
d) The mass of the object
The rotational inertia (moment of inertia) of an object in circular motion depends on:
a) The object’s shape
b) The object’s speed
c) The axis of rotation
d) Both a and c
If an object is moving in a circle with constant speed, the work done by the centripetal force is:
a) Positive
b) Negative
c) Zero
d) Maximum
The unit of angular velocity is:
a) Meter per second
b) Radians per second
c) Newton
d) Kilogram
In a rotating system, the moment of inertia depends on:
a) The radius of rotation
b) The mass of the object
c) The distribution of mass around the axis
d) All of the above
In a circular motion, if the radius is doubled, the centripetal force will:
a) Double
b) Quadruple
c) Halve
d) Remain the same
