0° and 90°

180° and 90°

90° and 180°

180° and 0°

P

PV²

P/V²

2P

P = R

Q = R

P = Q

None of the above is correct

cannot be in stable equilibrium

cannot be in neutral equilibrium

cannot be in unstable equilibrium

can be in any of these states

a uniform solid cone resting on a generator on a smooth horizontal plane

a uniform solid cone resting on its base on a horizontal plane

a solid cube resting on one edge

a satellite encircling the earth