Rotational motion
Authored by MARIA CASADO
Physics
2nd Grade
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The equation for the angular velocity with constant angular acceleration is:
w = constant
w= w0 + α . t
w= w0 +α . θ
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The rotational kinetic energy is proportional to the moment of inertia
True
False
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The formula of the torque is ...
𝜏 = Frad . r
𝜏 = Ftan . r
𝜏 = P . r
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following factors does the moment of inertia of an object depend on?
Mass only
Shape only
Both mass and shape
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