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15 questions
A force which tries to pull two objects towards each other is
gravity
inertia
mass
speed
Anything with ____________ also has a gravitational pull.
mass
size
depth
light
What is weight?
how much fat is on your body
how strong you are
how strongly your body is being pulled down by gravity
when you have to stand in line
Gravity is based on an object's
mass
size
roundness
brightness
Inertia tells us that we need ____________ to get an object moving or to make it stop.
a force
gravity
friction
strength
What keeps the planets in orbit around the sun?
gravity and inertia together
gravity
inertia
neither gravity or inertia
Why do the planets in our solar system orbit the sun?
because the sun is the brightest object
because the sun was there first
because the sun has the most mass
because nothing can orbit planets
What would happen to Earth if there were no inertia?
Earth would crash into the sun
Earth would fly out to space
Earth would collapse
Earth would orbit the moon
What would happen to Earth if there were no gravity?
Earth would crash into the sun
Earth would fly out to space
Earth would collapse
Earth would orbit the moon
If you dropped a bowling ball and a golf ball in a vacuum, which one would hit the ground first?
bowling ball
golf ball
they would hit at the same time
they would not hit the ground
On which object would you weigh the most?
Earth
The moon
Jupiter
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