The force of gravity between two objects
A) increases with the masses of the bodies, but decreases with their separations.
B) increases with the masses of the bodies, but decreases with the square of the distances between them.
C) increases with the square of their masses, but decreases with the cube of their periods of orbit about the Sun.
D) depends on the density, not the mass of the bodies.
E) depends on the temperature, density, and size of the bodies.
B
You might also like to view...
Equilibrium: A child is trying to stack two uniform bricks, each 24 cm long, so they will protrude as far as possible over the edge of a table without tipping over, as shown in the figure. What is the maximum possible overhang distance d?
A. 10 cm B. 12 cm C. 14 cm D. 16 cm E. 18 cm
A 2.00-L container holds half a mole of an ideal gas at a pressure of 12.0 atm. What is the gas temperature? (R = 0.082 1 L/atm/mol/K)
a. 292 K b. 438 K c. 731 K d. 585 K e. 365 K
When Jim and Rob ride bicycles, Jim can only accelerate at three quarters the acceleration of Rob. Both start from rest at the bottom of a long straight road with constant upward slope. If Rob takes 5.0 minutes to reach the top, how much earlier should Jim start to reach the top at the same time as Rob?
a. 25 s b. 40 s c. 46 s d. 55 s e. 75 s
The heating of a room by a fire in a fireplace is chiefly due to
a. vaporization. b. radiation. c. convection. d. conduction.