Force ?
Push or a pull
Contact forces?
Tension , compression , friction
Non-contact forces / field forces ?
Magnetic , electrostatic, gravitational
Force is measured with ?
Instrument called force meter
Effects of force?
Change direction , speed (accelerate / decelerate ) , stop moving , start moving
Magnetic force
Force that two magnetic materials exert on each other over a distance
Electrostatic force
Force that 2 electronically charged objects exert on each other over a distance
Gravitational force
Pulling force that bodies exert on each other over a distance due to their masses
Factors that affect resistance ?
Type of material , thickness of material, length of conductor , temperature