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Science 8th Grade > Circular motion > Flashcards

Circular motion Flashcards

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1
Q

MOTION

A

IS THE PROCESS OF CHANGING POSITION

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2
Q

REFERENCE POINT

A

THE STARTING POINT YOU USE TO DESCRIBE THE MOTION OR THE POSITION OF AN OBJECT

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3
Q

DISTANCE

A

THE TOTAL LENGTH OF A PATH

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4
Q

DISPLACEMENT

A

THE DISTANCE BETWEEN YOUR INITIAL, OR STARTING, POSITION AND YOUR FINAL POSITION

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5
Q

SPEED

A

THE DISTANCE AN OBJECT MOVES DIVIDED BY THE TIME IT TOOK TO MOVE THAT DISTANCE

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6
Q

VELOCITY

A

THE SPEED AND DIRECTION OF AN OBJECT’S MOTION

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7
Q

ACCELERATION

A

THE MEASURE OF HOW QUICKLY THE VELOCITY OF AN OBJECT CHANGES

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8
Q

FORCE

A

A PUSH OR PULL ON AN OBJECT

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9
Q

CONTACT FORCE

A

A PUSH OR A PULL APPLIED BY ONE OBJECT TO ANOTHER OBJECT THAT IS TOUCHING IT

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10
Q

FRICTION

A

A CONTACT FORCE THAT RESISTS THE SLIDING MOTION BETWEEN TWO OBJECTS THAT ARE TOUCHING

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11
Q

GRAVITY

A

A NONCONTACT ATTRACTIVE FORCE THAT EXISTS BETWEEN ALL OBJECTS THAT HAVE MASS

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12
Q

BALANCED FORCES

A

WHEN THE NET FORCE ON AN OBJECT IS 0 N

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13
Q

UNBALANCED FORCES

A

WHEN THE NET FORCE ACTING ON AN OBJECT IS NOT 0

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14
Q

NONCONTACT FORCE

A

A FORCE THAT PUSHES OR PULLS AN OBJECT WITHOUT TOUCHING IT

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15
Q

INERTIA

A

THE TENDENCY OF AN OBJECT TO RESIST A CHANGE IN MOTION

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16
Q

NEWTON´S FIRST LAW OF MOTION

A

STATES THAT IF THE NET FORCE ACTING ON AN OBJECT IS ZERO, THE MOTION OF THE OBJECT DOES NOT CHANGE

17
Q

NEWTON´S SECOND LAW OF MOTION

A

STATES THAT THE ACCELERATION OF AN OBJECT IS EQUAL TO THE NET FORCE EXERTED ON THE OBJECT DIVIDED BY THE OBJECT’S MASS

18
Q

NEWTON´S THIRD LAW OF MOTION

A

STATES THAT WHEN AN OBJECT EXERTS A FORCE ON A SECOND OBJECT, THE SECOND OBJECT EXERTS A FORCE OF THE SAME SIZE, BUT IN THE OPPOSITE DIRECTION, ON THE FIRST OBJECT

19
Q

FORCE PAIR

A

WHEN TWO OBJECTS EXERT FORCES ON EACH OTHER

Science 8th Grade (1 decks)

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