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What type of friction is present when youre pushing a heavy box across the floor?
sliding friction
What type of friction is present on clothes hanging on the clothesline?
static friction
Net force that acts on an object to keep it moving along a circular path?
centripetal force
Force present on rotating objects where the force's direction is outwards
centrifugal force
A communication satellite remains in orbit because of the sun's gravitational attraction (T/F)
False
Gravity affects how much you weigh. So if you are in Jupiter, you will weigh heavier because Jupiter has a stronger gravity than Earth (T/F)
True
Ability to do work
Energy
Energy produced by vibrating particles
Sound energy
Why do we see lightning first before we hear thunder?
Because light travels faster than sound
Energy that is the most common
Heat energy
Transfer of heat from solid or direct contact
conduction
Transfer of heat on fluid caused my molecular motion
convection
transfer of heat through rays or particles
radiation
Most useful forms of energy
electricity
Man-made magnetic field
electromagnetism
Force that can attract or repel certain materials
magnetism
