physics

posted by marion

claculate the force of gravity between two identical balls 8kg each, if they are 5m apart?

1. drwls

Assume 5m is the center-to-center distance R, and use Newton's universal law of gravity. (The one with the capital G).

F = G*M^2/R^2 = 64*G/25

Similar Questions

1. physics

Two identical balls each have a charge of -7.5x10^-6C. The balls hang from identical strings that are 8‹ from the vertical because of the repulsive force between the charged balls. The balls are separated by a distance of 10cm. …
2. Physics

Two bowling balls each have a mass of 6.8kg. the speres are located nest to one another with their centers 21.8 cm apart. what gravitational force do they exert on each other?
3. Physics

A 5.1 kg bowling ball and a 7.1 kg bowling ball rest on a rack 1.07 m apart. (a) What is the force of gravity exerted on each of the balls by the other ball?
4. physics

claculate the force of gravity between two identical balls 8kg each, if they are 5m apart?
5. Physics

A 6.5- bowling ball and a 7.1- bowling ball rest on a rack 0.80 apart. Part A- What is the force of gravity exerted on each of the balls by the other ball?
6. physics

Calculate Earth's force of gravity on each of two steel balls of masses 6.0kg and 12.0kg I the forces of gravity on the 12-kg ball is greater than that on the other ball, why do the two balls accelerate at the same rate when dropped?
7. Physics

Three identical small Styrofoam balls of mass 1.53 g are suspended from a ﬁxed point by three nonconducting threads, each with a length of 56.4 cm and negligible mass. At equilibrium the three balls form an equilateral triangle …
8. physics

A 5.1-kg bowling ball and a 8.4-kg bowling ball rest on a rack 0.50 m apart. (a) What is the force of gravity exerted on each of the balls by the other ball?
9. Physics

Two identical balls each have a charge of -7.5x10^-6C. The balls hang from identical strings that are 8‹ from the vertical because of the repulsive force between the charged balls. The balls are separated by a distance of 10cm. …
10. statistics /pure maths

A box contains N identical balls of which 4 are Red, 3 are Green and the rest are White . If 3 balls are drawn at random one after the other without replacement.the probability that all 3 balls are Whit is 1/22. 1.Find the number of …

More Similar Questions