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WorksheetsRotational motion
Total questions: 10
Worksheet time: 5mins
The equation for the angular velocity with constant angular acceleration is:
w = constant
w= w0 + α . t
w= w0 +α . θ
The rotational kinetic energy is proportional to the moment of inertia
True
False
If we know the moment of inertia of a body of mass M about an axis through its center of mass (Icm), we can
calculate the moment of inertia about any other axis parallel to the original one but displaced
from it by a distance d (Ip) by using the equation:
Ip = Icm - M d²
Ip = Icm + M
Ip = Icm + M d²
In terms of rotation a force is more effective if ...
is close to axis of
rotation
is directed
toward axis of
rotation
is far from
axis of rotation
The formula of the torque is ...
𝜏 = Frad . r
𝜏 = Ftan . r
𝜏 = P . r
Which of the following statements accurately describes the conservation of angular momentum in physics?
Angular momentum conservation only applies to linear motion.
Angular momentum conservation is only relevant in the absence of rotational motion.
Angular momentum is a conserved quantity in the absence of external torques.
Which of the following factors does the moment of inertia of an object depend on?
Mass only
Shape only
Both mass and shape
What is the primary factor that determines the torque exerted by a force?
Angle between the force and the lever arm
Force only
Distance only
The rotational kinetic energy of an object depends on:
Its linear velocity only
Its moment of inertia only
Both its angular velocity and moment of inertia
In rotational motion, what physical quantity is analogous to linear velocity in translational motion?
Angular displacement
Torque
Angular velocity
