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Science 7- 5/8, 5/15
Test Description: Study
Instructions: Answer all questions to get your test result.
1) The resistance that one surface or object encounters when moving over another; causes a force in an opposite direction.
A
Net Force
B
Balanced Force
C
Unbalanced Force
D
Friction
2) Occurs when the forces acting on an object in opposite direction are equal; net force of 0N
A
Net Force
B
Balanced Force
C
Frtiction
D
Engineer
3) A person who designs, builds, or maintains engines, machines, or public works.
A
Unbalanced Force
B
Engineer
C
Friction
D
Net Force
4) The resulting force after all forces acting on an object have been considered.
A
Unbalanced Force
B
Net Force
C
Friction
D
Balanced Force
5) Occurs when the forces acting on an object are unequal; Net force greater than 0N
A
Unbalanced force
B
Net Force
C
Engineer
D
Friction
6) The product of the mass and velocity of an object
A
Momentum
B
Potential Energy
C
Center of Mass
D
Kinetic Energy
7) The point where the distribution of an object's mass is centered
A
Center of Mass
B
Potential Energy
C
Law of Conservation of Energy
D
Kinetic Energy
8) States that energy can never be created or destroyed, it can only change form
A
Kinetic Energy
B
Potential Energy
C
Law of Conservation of Energy
D
Center of Mass
9) The energy of motion
A
Potential Energy
B
Center of Mass
C
Momentum
D
Kinetic Energy
10) The energy of an object at rest
A
Potential Energy
B
Center of Mass
C
Momentum
D
Kintic Energy
*select an answer for all questions
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