2 questions,actually:
1-Why in Dymensional Analysis is eletric charge a basic physical dimension instead of eletric current(as Ampere is a SI base unit and Coulomb isn't)?
2-I've read CIPM(or International Committee for Weights and Measures in English) is proposing new definitions for some of...
Can you describe( graphically,like a diagram,or a picture) how a friction force plays the role of the centripetal force?For example, a car performing an uniform circular motion on a plane in a idela situation.The car will perform the turn because of friction forces between tyres and...