PHYSICS - forces and motion

27 terms by random_-_1

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distance/time

speed =

gravity

the force that exists between two objects with mass

magnetic

the force that exists between magnets

friction

the force that occurs and opposes motion when two objects rub

air resistance

the force that opposes an object moving through the air

reaction

the force that pushes back from solids when there is a push on them

electrostatic

the force that exists between two electrically charged objects

0

the resultant force on a stationary object

grams

what is mass measured in?

newtons

what is weight measured in?

w = mg

what is the relationship between weight, mass and gravitational field strength

10

gravitational field strength of Earth

26

gravitational field strength of Jupiter

8.8

gravitational field strength of Venus

3.7

gravitational field strength of Mars

1.6

gravitational field strength of the Moon

directly proportional

what is the relationship indicated by Hooke's law

0

how many moons does Mercury have

0

how many moons does Venus have

1

how many moons does Earth have

2

how many moons does Mars have

62

how many moons does Jupiter have

33

how many moons does Saturn have

27

how many moons does Uranus have

13

how many moons does Neptune have

1

how many moons does Pluto have

ellipses

what shapes are the orbits of planets and comets

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