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Rotational Motion Mock Tests

59 questions available

Rotational Motion Mock Test 1

Questions: 30

Rotational Motion Mock Test 2

Questions: 29

नमूना प्रश्न

NEET Physics
The moment of inertia of a solid sphere about its diameter is I. The moment of inertia about a tangent is:
A 5I/7
B 7I/5
C 2I/5
D 7I/2
NEET Physics
A rod of length 2 m has a linear mass density given by λ(x) = 2x, where x is the distance from one end. The centre of mass of the rod is at a distance from that end:
A 4/3 m
B 2/3 m
C 1 m
D 3/4 m
Class 11 Physics
A uniform disc of mass 5 kg and radius 0.4 m is rotating about its central axis with an angular acceleration of 4 rad/s². What is the torque required to produce this angular acceleration? (Take I = ½MR² for a disc)
A 1.6 N·m
B 0.4 N·m
C 0.8 N·m
D 0.6 N·m
JEE Advanced Physics
A uniform rod of mass M and length L is pivoted at one end and allowed to oscillate in a vertical plane. The equivalent simple pendulum length (length of isochronous simple pendulum) is:
A L/2
B 3L/4
C L
D 2L/3
Class 11 Physics
A force of 5 N is applied perpendicular to a wrench of length 0.4 m. The torque produced about the pivot is:
A 2 N·m
B 1.25 N·m
C 4.5 N·m
D 0.8 N·m
JEE Main Physics
A solid sphere and a solid cylinder of the same mass and radius roll down an inclined plane without slipping. Which of the following is correct?
A The solid sphere reaches the bottom first
B The solid cylinder reaches the bottom first
C Both reach the bottom at the same time
D The result depends on the angle of inclination
NEET Physics
A solid sphere and a solid cylinder of same mass and radius roll down an inclined plane without slipping. The ratio of their accelerations (a_sphere : a_cylinder) is:
A 15:14
B 14:15
C 1:1
D 5:3
JEE Main Physics
The angular momentum of a rotating body is L = Iω. If I doubles and ω halves, L:
A Halves
B Doubles
C Quadruples
D Remains same

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