Final Exam STEM Technology 8th Grade 1 Question Preview (ID: 19132)
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What is the natural force of attraction exerted by Earth on objects or materials on its sruface that tends to draw them downward toward its center?
a) Science
b) The Moon
c) Observation
d) Gravity
What is the quality or state of being correct?
a) Precision
b) Accuracy
c) Air Resistance
d) Prediction
Friction is a force that always acts ...
a) Any way it wants
b) Opposite of the objects motion
c) In the same direction as the motion
d) Perpindicular to the objects motion
Which law: Equal and opposite forces?
a) 1
b) 2
c) 3
d)
Which Law: F=m*a?
a) 1
b) 2
c) 3
d)
Which Law: inertia
a) 1
b) 2
c) 3
d)
One object has twice as much mass as another object. The first object has twice as much ...
a) velocity
b) energy
c) gravity
d) inertia
An archer shoots an arrow. Consider the action force to be the bow string aginst the arrow. The reaction force would be ...
a) Air resistance aginst the bow
b) Combined weight between the arrow and the bow string
c) The arrows push aginst the bow string
d) The grip of the archers hand on the bow
What is the change in an objects speed or direction
a) Force
b) Motion
c) Acceleration
d) Inertia
What is a push or pull on an object?
a) mass
b) weight
c) acceleration
d) force
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