Unit 2 Quiz 2 Review Force and acceleration

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• A method of communication

• A type of fruit

• A musical instrument

• A type of vehicle

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NGSS.HS-PS4-5

Newton's three laws of motion explain the relationships between the (a)   acting on an object, the object's (b)   , and its (c)   .

• Forces; speed; direction

• Mass; velocity; energy

• Influences; acceleration; position

• Factors; motion; time

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NGSS.MS-PS2-1

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Forces can be used to (a)   of an object, or to change the (b)   in which an object is moving. Mark only one oval. a) Alter the color; direction b) Influence the size; mass c) Control the shape; volume d) Control the motion; direction

• Alter the color

• Influence the size

• Control the shape

• Control the motion

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

Newton's first law states that objects tend to (a)   unless they are acted on by forces. Mark only one oval. a) Remain stationary; indefinitely b) Maintain their shape; constantly c) Stay in motion; unchanged d) Stay at rest; continue moving with the same velocity

• Remain stationary; indefinitely

• Maintain their shape; constantly

• Stay in motion; unchanged

• Stay at rest; continue moving with the same velocity

Inertia comes from (a)   . Mark only one oval. a) Speed b) Gravity c) Mass d) Friction

• Speed

• Gravity

• Mass

• Friction

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NGSS.MS-PS2-2

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The newton (N) is the (a)   .

Mark only one oval.

a) Unit of mass
b) Unit of velocity
c) Unit of force
d) Unit of acceleration

• Unit of mass

• Unit of velocity

• Unit of force

• Unit of acceleration

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NGSS.HS-PS2-1

The motion of objects changes in response to (a)   . Mark only one oval. a) Applied force b) Resultant velocity c) Net force d) Air resistance

• Applied force

• Resultant velocity

• Net force

• Air resistance

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NGSS.MS-PS2-2

Acceleration is (a)   . Mark only one oval. a) The same as velocity b) A change in direction c) A change in speed or direction d) Constant motion

• The same as velocity

• A change in direction

• A change in speed or direction

• Constant motion

What is the unit for acceleration most commonly used in the metric system? Mark only one oval.

• km/h

• m/sec/sec

• km/sec

• m/h

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NGSS.HS-PS2-1

If an object (a)   , it has a (b)   acceleration; when moving forward. Pick ALL that apply. a) Slows down; positive b) Speeds up; positive c) Slows down; negative d) Stays constant; zero

• Slows down; positive

• Speeds up; positive

• Slows down; negative

• Stays constant; zero

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NGSS.MS-PS2-2