## A force P of 50 N and another force Q of unknown magnitude act at 90° to each other. They are balanced by a force of 130 N. The magnitude of Q…

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# Applied Mechanics and Graphic Statics

## The following is in unstable equilibrium__________________?

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 uniform pyramid and a uniform prism of same height lie with their base on the surface. Which is…

A uniform pyramid and a uniform prism of same height lie with their base on the surface. Which is more stable ? A. pyramid (Correct) B. prism C. both equally stable D. none of the above

## A rigid body is in a stable equilibrium if the application of any force__________________?

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.…

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 C.…

## A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of…

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__________________?

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…

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 slipping. The…

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…

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 D. less…

## If the angular distance, 0 = 2t3 – 3t2, the angular acceleration at t = 1 sec. is__________________?

If the angular distance, 0 = 2t3 – 3t2, the angular acceleration at t = 1 sec. is__________________? A. 1 rad/sec2 B. 4 rad/sec2 C. 6 rad/sec2 (Correct) D. 12 rad/sec2