Appendix A Flashcards
Quantities where direction is important
Vector
Quantities where direction is not incorporated
Scalar quantities
Measure of the resistance a body has to acceleration
Mass
SI units
Force
Kinetic energy
Momentum
Electrical charge
Current
Voltage
Power
Resistance
Newton
Joule
Kg-m/s
Coulomb
Ampere
Volt
Watt
Ohm
If no external forces act on a collection of objects, the total momentum of the set of objects does not change
Law of conservation of momentum
Gravitational force exerted on a mass
Weight
Rate of change of position with respect to time
Velocity
Magnitude of the velocity
Speed
Rate of change of velocity with respect to time
Acceleration
Property of an object in a force field
Potential energy
Electrical field strength
(+)
(-)
Same direction
Opposite direction
Induced current flows in a direction such that its asso magnetoc field opposes the magnetic field that induced it
Lenz law