Week 25 What is Gravity?
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push force
a force that moves an object away from another object
pull force
a force that moves an object toward another object
physicist
a person who studies physical science
force
any motion that changes the direction of an object
What is the direction of Earth's gravity?
downward
Gravity is the same throughout the entire universe
false
Isaac Newton
first studied gravity
weight
the effect of the gravitational force on an object's mass
mass
the number of atoms that make up an object
all objects have gravitational force
true
