Q10/10: A car weighing 1000 kg is moving at 10 m/s. Brakes are applied to bring it to rest in 5 m. The average retarding force is:
Anonymous Quiz
25%
5000 N
67%
10000 N
3%
2000 N
6%
1000 N
0%
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✨ Quiz Time! ✨
Answer today's quiz questions and test your knowledge.
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Every question is a step toward exam success!
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Good luck!
Q1/10: The center of mass of a uniform thin rod of length L is located at:
Anonymous Quiz
13%
L/4 from one end
62%
L/2 from one end
15%
L from one end
8%
L/3 from one end
3%
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Q2/10: The turning effect of a force is known as:
Anonymous Quiz
12%
Momentum
58%
Torque
26%
Angular momentum
5%
Inertia
0%
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Q3/10: The cross product of position vector and linear momentum gives:
Anonymous Quiz
14%
Torque
28%
Force
47%
Angular momentum
9%
Moment of inertia
2%
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Q4/10: A particle moves uniformly in a straight line that does not pass through the origin. Its angular momentum about the origin:
Anonymous Quiz
11%
Increases
16%
Decreases
46%
Remains constant
27%
Is zero
0%
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Q5/10: Moment of inertia of a uniform solid sphere of mass M and radius R about its diameter is:
Anonymous Quiz
17%
(2/5)MR^2
40%
(2/3)MR^2
23%
(1/2)MR^2
20%
MR^2
0%
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Q6/10: The SI unit of moment of inertia is:
Anonymous Quiz
28%
kg m
28%
kg m^2
28%
kg/m^2
18%
N m
0%
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Q7/10: According to the theorem of parallel axes, I = I_cm + :
Anonymous Quiz
29%
MR^2
29%
Ma^2
32%
Md^2
6%
MR
3%
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Q8/10: A diver jumping from a springboard curls his body. This is done to:
Anonymous Quiz
26%
Increase his moment of inertia
26%
Decrease his angular velocity
29%
Conserve linear momentum
15%
Increase his angular velocity
3%
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Q9/10: Two identical rings of mass M and radius R have a common center with their planes perpendicular. Moment of inertia of this system about the central axis of one ring is:
Anonymous Quiz
14%
(1/2)MR^2
38%
MR^2
34%
(3/2)MR^2
10%
2MR^2
3%
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Q10/10: The analog of mass in rotational motion is:
Anonymous Quiz
17%
Torque
36%
Angular momentum
31%
Moment of inertia
17%
Angular velocity
0%
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🎉 Quiz Finished! 🎉
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Next quiz today at 20:00 (in 23h 51m)
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Next quiz today at 20:00 (in 23h 51m)
✨ Quiz Time! ✨
Answer today's quiz questions and test your knowledge.
Every question is a step toward exam success!
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Answer today's quiz questions and test your knowledge.
Every question is a step toward exam success!
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Good luck!
Q1/10: If no external torque acts on a system, which of the following is conserved?
Anonymous Quiz
29%
Linear momentum
38%
Kinetic energy
26%
Angular momentum
6%
Potential energy
0%
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❤1
Q3/10: A solid cylinder (mass 2 kg, radius 0.1 m) rolls from rest down an incline of height 3 m. Its rotational kinetic energy at the bottom is: (g=10 m/s^2)
Anonymous Quiz
15%
20 J
48%
30 J
24%
40 J
9%
60 J
3%
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Q4/10: Assertion: The center of mass of an isolated system moves with constant velocity. Reason: No net external force acts on an isolated system.
Anonymous Quiz
19%
Both A and R are true and R explains A
55%
Both A and R are true but R does not explain A
19%
A is true but R is false
6%
A is false but R is true
0%
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