1. What is current and what does it equal to?
A. It is flow of charged particles measured in Amperes. It is equal to charge divided by time. It flows through a
2. What is voltage and what does it equal to?
A. It is electrical pressure difference
1. What is work?
A. Force moves an object through a distance
2. How do you calculate Work?
A. Force x Distance Units in Joules (Newton Meters)
3. Why doesnt a waiter do work as he carries a tray?
A. He exerts a vertical force to hold up the tray, but is m
1. What is the similarity and difference between a magnet and an electric charge?
A. You cant separate a magnet into one part; however, we can take out electrons and make it a positively
charged object. If a magnet is cut it makes 2 weaker magnets; magnet
1.What is frame of reference and relative motion?
A. Frame of reference is a system of objects that are not moving with respect to one another.
Relative motion is movement in relation to a frame of reference. Example people on a platform
may notice a trai
1.What is a force, what are the units, and how do you represent it?
A. A force is a push or pull that acts on a object. It can cause a resting object to move or it can accelerate a
moving object by changing the objects speed and direction. Force is measur