The potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to____________________?

Related Mcqs:

A flywheel of moment of inertia 20 kg-m” is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian persecond is__________________?

A. 1/2 B. 3/2 C. 2 D. 3...

The bending moment in an arch is proportional to___________________?

A. vertical ordinate of funicular polygon B. vertical ordinate of the arch C. intercept between the arch axis and the funicular polygon D. none of these...

Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction. The speeds of the objects are____________________?

A. 2 m/sec and 2 m/sec B. 3 m/sec and 2 m/sec C. 3 m/sec and 3 m/sec D. 4 m/sec and 6 m/sec...

The unit of rotational inertia of a body in C.G.S system is________________?

A. cm4 B. kg-cm2 C. gm-cm2 D. gm-cm3...

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 rotational energy at bottom than cylinder C. cylinder with greater rotational energy at bottom than sphere D. both reach the bottom simultaneously with equal rotational energy at bottom...