A very massive body A and a less massive body B move toward each other under the influence of gravity. Compared to the force on A, the force on B is
1) greater.
2) the same.
3) less.
As A and B get closer and closer, each experiences an increase in
4) velocity.
5) acceleration.
6) force.
7) all of these.
8) none of these.
Answer: 2, 7
You might also like to view...
Star clusters have been observed within dark nebulae with:
A) optical movies made over decades. B) radio interferometers. C) infrared observations. D) the Chandra X-ray observatory. E) ultraviolet light creating the emission nebulae.
The density of a certain metal solid is 6.5 × 10^3 kg/m3, and its Young's modulus is 10.0 × 10^10 N/m2 . What is the speed of sound in this metal?
a. 8.1E+1 m/s b. 1.2E+3 m/s c. 3.9E+3 m/s d. 1.2E+5 m/s e. 8.1E+1 m/s
A myopic girl wears eyeglasses that allow her to have clear distant vision. The power of the lenses of her eyeglasses is -3.00 diopters. Without eyeglasses, the far point of the girl is closest to:
A) 0.33 m B) 0.25 m C) 0.17 m D) 0.42 m E) 0.50 m
A spaceship from another galaxy passes over the solar system directly above a radial line from the sun to the Earth. (We measure that distance to be 1.5 × 10^11 m.) On Earth, the spaceship is observed to be traveling at a speed of 0.80 c, for which g = 5/3 . As measured on Earth it takes the spaceship 625 seconds to travel from the sun to Earth. When a scientist in the spaceship measures the
Earth-sun distance and the time it takes her to travel that distance, she finds the results are respectively a. 9.0 × 10^10 m; 375 s. b. 9.0 × 10^10 m; 625 s. c. 1.5 × 10^11 m; 625 s. d. 2.5 × 10^11 m; 625 s. e. 2.5 × 10^11 m; 1042 s.