The following is in unstable equilibrium__________________?A. a uniform solid cone resting on a generator on a smooth horizontal plane
B. a uniform solid cone resting on its base on a horizontal plane
C. a solid cube resting on one edge!-->…
A rigid body is in a stable equilibrium if the application of any force__________________?A. can raise the CG of the body but can not lower it (Correct)
B. tends to lower the CG of the body
C. neither raises nor lowers the CG of the!-->…
Two circular discs of same weight and thickness are made from metals having different densities. Which disc will have the larger rotational inertia about its central axis ?
A. disc with larger densityB. disc with smaller density
A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is_____________________?!-->…
The torque produced by a force depends on__________________?
1) the magnitude of the force
2) the direction of the force
3) the’point of application of the force relative to origin
The correct answer is?
A. only (1)
B. both (1) and…
A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first ?A. sphere with greater rotational energy at bottom than cylinder
B. sphere with lesser!-->…
A solid cylinder of mass M and radius R rolls down an inclined plane without slipg. The acceleration of center of mass of rolling cylinder is________________?
A. (1/3) g sinB
B. (2/3) g cos 9C. (2/3) g sin 0
D. g sin 9
where ‘g’ is…
A cylinder will slip on an inclined plane of inclination 0 if the coefficient of static friction between plane and cylinder is_____________________?
A. less than (1/3) tan 0
B. less than (2/3) tan 0
C. less than (1/3) sin 6