what causes an object in friction with a surface to become negatively charged?
The object accepts electrons from the surface it is on, electrons have a negative charge.
KL
Related Physics GCSE answers
All answers ▸Using the kinetic molecular theory,explain why air pressure inside a syringe increases if the volume decreases from 15.0 cm
The focal length of the lens is 10 cm. Calculate the power of the lens. State the unit.
What is the structure of atoms
A boy with a mass of 50kg is sitting on a seesaw. He is sitting 2m from the pivot. He has a friend who weighs 40kg, how far away from the pivot must she sit to balance the seesaw? (gravitational accelleration (g) = 10m/s2)