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Match it! Select the correct answer from the pull down...Good luck!
A change in a moving object's speed or direction is _____________.
changing direction or speed, starting or stoping motion
related to mass and distance
the roughness of any object's surface
his speed decreased
force
70 N
accleration
friction
A force that always acts to oppose motion
changing direction or speed, starting or stoping motion
related to mass and distance
the roughness of any object's surface
his speed decreased
force
70 N
accleration
friction
A student has a weight of 420 N on Earth. What is the student's weight on the moon. (Moon's gravity = 1/6 of Earth's gravity)
changing direction or speed, starting or stoping motion
related to mass and distance
the roughness of any object's surface
his speed decreased
force
70 N
accleration
friction
The law of universal gravitiation says that gravitational force is
changing direction or speed, starting or stoping motion
related to mass and distance
the roughness of any object's surface
his speed decreased
force
70 N
accleration
friction
An unbalanced force can cause an object's motion to change by
changing direction or speed, starting or stoping motion
related to mass and distance
the roughness of any object's surface
his speed decreased
force
70 N
accleration
friction
_______ is a push or pull that always acts on an object.
changing direction or speed, starting or stoping motion
related to mass and distance
the roughness of any object's surface
his speed decreased
force
70 N
accleration
friction
A hiker's velocity begins at 1.8m/s uphill and changes to 1.5 m/s uphill. How do you know that the hiker has a negative acceleration?
changing direction or speed, starting or stoping motion
related to mass and distance
the roughness of any object's surface
his speed decreased
force
70 N
accleration
friction
Friction occurs because of
changing direction or speed, starting or stoping motion
related to mass and distance
the roughness of any object's surface
his speed decreased
force
70 N
accleration
friction
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