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Physical Science > Chapter 10 Motion > Flashcards

Chapter 10 Motion Flashcards

1
Q

Am objects change in position relative to a reference point.

A

Motion

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2
Q

The stationary object

A

Reference point

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3
Q

The change in position of an object

A

Displacement

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4
Q

The distance traveled divided by time interval during which the motion occurred.

A

Speed

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5
Q

Calculated as distance traveled divided by time

A

Average speed

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6
Q

Speed measured in an infinitely small time interval

A

Instantaneous speed

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7
Q

Speed of an object in a particular direction

A

Velocity

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8
Q

Combine velocities to determine

A

Resultant velocity

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9
Q

An abject accumulates if speed or direction changes. When velocity changes

A

Acceleration

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10
Q

The acceleration that occurs in uniform circulation.

A

Centripetal acceleration

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11
Q

A change is velocity that doesn’t differ over a given amount of time.

A

Constant acceleration

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12
Q

An action put on a something to change the objects state of rest or motion

A

Force

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13
Q

Combination of all forces on object

A

Net force

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14
Q

Doesn’t cause an object at rest to move net force is zero

A

Balanced forces

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15
Q

Net force greater than zero

A

Unbalanced forces

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16
Q

A force that makes motion harder to happen between two surfaces touching

A

Friction

17
Q

Objects sliding past each other

A

Sliding friction

18
Q

Round object rolls over flat object

A

Rolling friction

19
Q

Object moving through a fluid encounters friction between the fluid and surface

A

Fluid friction

20
Q

Force that doesn’t let the intention of sliding motion between two surfaces that are in contact and at rest

A

Static friction

21
Q

Force that doesn’t let the movement of two surfaces that are in contact + sliding on each other

A

Kinetic friction

Physical Science (11 decks)

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