Two masses, m1 and m2 are separated by a distance, r. The force of attraction between the two masses is F. Show all work
A) If m1 increases by 9, how does F change?

B) If r is halved (1/2), how would F change?

C) If r is not changed but both masses increase by a factor 7, how would F change?

D) If both m1 and m2 remain unchanged, and r changes to 3/5 of the original distance, how would F change?

E) If all variables (r, m1 and m2) increase by 4, how would F change?

A3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular? a 3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular?

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.

Why does lightning travel from clouds to the ground?