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WorksheetsRotational Motion of Rigid Body
Total questions: 15
Worksheet time: 8mins
A body with a definite shape that doesn't change is:
period
angular acceleration
rigid body
radius of gyration
The number of complete revolutions per second is:
frequency
period
torque
rotational inertia
The product of the force times the lever arm; the movement of the force about the axis is:
torque
lever arm
rotational inertia
angular momentum
If a system is in static equilibrium, it must have the following 2 conditions:
∑τ=0
Constant acceleration
∑F=0
Positive forces only
The formula used to find a torque is...
(m)(g)
(F) cos(Ɵ)
(F)(r)( sin θ )
(m)(a)
Conditions for equilibrium are:
1st condition: net force = 0
2nd condition:net torque = 0
True
False
The value of torque depends on the rotation axis and the _______________________
magnitude of applied force.
mass of object
moment inertia of object
shape of object
A line on which the centers of circles lie is:
lever arm
angular momentum
period
axis of rotation
A change in angular velocity divided by the time required to make this change is:
torque
velocity
angular velocity
angular acceleration
The time required for one complete revolution is:
torque
frequency
period
rotational kinetic energy
The total angular momentum of a rotating body remains constant if the net torque acting on it is zero:
frequency
rotational kinetic energy
law of conservation of angular momentum
rotational motion
