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The unit used to measure force is named after
reference point
friction
contact
gravity
force
gravity
motion
Isaac Newton
______ occurs when an object's position changes when compared to another object.
reference point
friction
contact
gravity
force
gravity
motion
Isaac Newton
A noncontact force that pulls objects toward each other as a result of their masses is called _____.
reference point
friction
contact
gravity
force
gravity
motion
Isaac Newton
A girl exerts force on the pedals of a bicycle and the friction between the tires and the road help to keep the bike from slipping. Both the force on the pedals and friction are ___________ forces.
reference point
friction
contact
gravity
force
gravity
motion
Isaac Newton
The contact force that two surfaces exert on each other when they rub against each other is called _________.
reference point
friction
contact
gravity
force
gravity
motion
Isaac Newton
Even when your feet are not touching the ground, ___________ pulls you toward the Earth's surface.
reference point
friction
contact
gravity
force
gravity
motion
Isaac Newton
The object that is used for comparison to determine whether something is in motion is called a
reference point
friction
contact
gravity
force
gravity
motion
Isaac Newton
A push or pull is called a ______.
reference point
friction
contact
gravity
force
gravity
motion
Isaac Newton
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