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physical science > Chapter 10 > Flashcards

Chapter 10 Flashcards

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Biology 101 flashcards
1
Q

Motion

A

The action of being moved.

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2
Q

Displacement

A

Where an object starts in one spot and ends in another.

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3
Q

Instantaneous speed

A

How fast something is going at a certain time or in an instant.

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4
Q

Resultant velocity

A

When for example a person is walking on a train the opposite distance the train is going.

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5
Q

Centripetal force

A

The force of an object that is moving in a circle.

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6
Q

Static friction

A

Friction caused by something sitting on something.

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7
Q

Kinetic friction

A

The friction of something in motion.

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8
Q

Motion

A

When an object moves.

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9
Q

Reference point

A

An object that helps detects motion

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10
Q

Speed

A

The distance travelled divided by the time it takes for the object to travel

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11
Q

Average speed

A

The average of the speed of an object moving divided by the time it takes the object to move.

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12
Q

Velocity

A

The speed of an object in a given direction.

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13
Q

Acceleration

A

An objects capability to gain speed.

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14
Q

Balanced forces

A

When for example you push on something and it doesn’t move.

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15
Q

Unbalanced forces

A

When for instance you push on an object and it moves.

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16
Q

Friction

A

The resistance between two objects

17
Q

Sliding friction

A

The resistance of two objects that slide against each other.

18
Q

Rolling friction

A

When the force of an object resists motion.

19
Q

Fluid friction

A

The resistance of an object moving through liquid or gas.

20
Q

Net force

A

Net force is the sum of all the other forces acting on an object.

physical science (11 decks)

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