rosa_kc

Object- race car Force- person driving

-FRICTION QUESTIONS

﻿1. WHAT IS STATIC FRICTION? -FRICTION IS OFTEN MINIMIZED IN SOLVING FORCE AND MOTION PROBLEMS, BUT IN THE REAL WORLD FRICTION IS EVERYWHERE! -FRICTION LETS A PENCIL MARK ON A PIECE OF PAPER AND SO YOU CAN ERASE MISTAKES

2. WHAT IS KINETIC FRICTION FORCE? -IT IS EXERTED ON ONE SURFACE BY THE OTHER WHEN IT IS IN A RELATIVE MOTION BY THE OTHER WHEN THE SURFACES ARE IN RELATIVE MOTION -THE FORCE THAT IS ACTING IS CALLED KINETIC FORCE

3. STATIC AND KINETIC FRICTION DEFINED: -THINK ABOUT THE FRICTION AS YOU PUSH A HEAVY CRATE ACROSS THE FLOOR -THE FORCE THAT OPPOSES THE RELATIVE MOTION BETWEEN THE TWO SURFACES IN CONTACT

4. WHAT IS M? - COEFFICIENT OF FRICTION TELLS HOW MUCH FRICTION A CERTAIN SURFACE WOULD HAVE

*ELECTRIC FIELD- VECTOR QUANTITY THAT RELATES THE FORCE EXERTED ON A CHARGE TO SIZE

 -COULOMB'S LAWS/ELECTRIC FIELDS


 * ﻿COULOMB'S LAW IS THE RELATIONSHIP AMONG ELECTRICAL FORCES, CHARGES, AND DISTANCE
 * <span style="color: #ff00b7; font-family: Impact,Charcoal,sans-serif; font-size: 140%;">IT IS LIKE NEWTON'S LAW OF GRAVITY. BUT UNLIKE GRAVITY, ELECTRIC FORCES CAN BE ATTRACTIVE OR REPULSIVE
 * <span style="color: #ff00b7; font-family: Impact,Charcoal,sans-serif; font-size: 140%;">F=FORCE (N)
 * <span style="color: #ff00b7; font-family: Impact,Charcoal,sans-serif; font-size: 140%;">K=ELECTRICAL PROPORTIONALITY CONSTANT
 * <span style="color: #ff00b7; font-family: Impact,Charcoal,sans-serif; font-size: 140%;">q=CHARGE (C FOR COULOMB)
 * <span style="color: #ff00b7; font-family: Impact,Charcoal,sans-serif; font-size: 140%;">d=DISTANCE (m)
 * <span style="color: #ff00b7; font-family: Impact,Charcoal,sans-serif; font-size: 140%;">THE SI UNIT OF MEASURE FOR ELECTRICAL CHARGE IS A COULOMB (C)
 * <span style="color: #ff00b7; font-family: Impact,Charcoal,sans-serif; font-size: 140%;">THERE ARE NO NEGATIVES IN THE FORMULA!!!
 * <span style="font-family: Impact,Charcoal,sans-serif;"> POSITIVE OR NEGATIVE TELLS WHETHER IT IS A PROTON OR ELECTRON!
 * <span style="font-family: Impact,Charcoal,sans-serif;"> __NOT__ A PART OF A MAGNITUDE CHARGE
 * <span style="font-family: Impact,Charcoal,sans-serif;"> THE MAGNITUDE OF THE ELECTRIC FIELD IS MEASURED IN N/C (NEWTONS/COULOMBS)