Gravity follows an inverse square law. This means that if the distance between two masses is decreased by a factor of 4, the gravitational force between those two masses

A) increases by a factor of 16.
B) increases by a factor of 4.
C) increases by a factor of 2.
D) decreases by a factor of 4.
E) decreases by a factor of 16.


A) increases by a factor of 16.

Physics & Space Science

You might also like to view...

The point P lies along the perpendicular bisector of the line connecting two long straight wires S and T perpendicular to the page. A set of directions A through H is shown next to the diagram. When the two equal currents in the wires are directed into the page, the direction of the magnetic field at P is closest to the direction of

A. A B. B. C. C. D. D. E. E.

Physics & Space Science

The windings of a DC motor have a resistance of 6.00 ?. The motor operates on 120 V AC, and when running at full speed it generates a back emf of 105 V. What current does the motor draw when operating at full speed?

A) 2.50 A B) 5.00 A C) 17.5 A D) 20.0 A E) 37.5 A

Physics & Space Science

What generally causes clouds to form?

A) falling relative humidity B) sinking of saturated air C) lifting of air D) addition of water vapor

Physics & Space Science

n-Butane and isobutane are the two ______________ of C4H10

Fill in the blank(s) with correct word

Physics & Space Science