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Motion, Forces, and Newton's laws > words > Flashcards

words Flashcards

to understand the concepts

1
Q

Motion

A

the process of changing position

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2
Q

Reference Point

A

the starting point you use to describe the motion or position of an object.

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3
Q

Distance

A

The total length of your path.

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4
Q

Displacement

A

Distance between starting point and 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

Speed and direction of an object’s motion

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7
Q

Acceleration

A

the measure of the change in velocity during a period of time.

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8
Q

Force

A

the push or pull on an object

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9
Q

Contact Force

A

Contact Force

the push or pull applied by one object to another object that is touching it.

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10
Q

Non Contact force

A

A force that pushes or pulls an object without touching it.

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11
Q

Friction

A

a contact force that resists the sliding motion between two objects that are touching.

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12
Q

Gravity

A

A non contact attractive force that exists between all objects that have mass.

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13
Q

Balanced Forces

A

When the net force on an object is 0 N.

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14
Q

Unbalanced Forces

A

When the net force on an object is not 0 N.

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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 1st law of motion

A

if the net force acting on an object is zero, the motion of the object does not change.

17
Q

Newton’s 2nd law of motion

A

the acceleration of an object is equal to the net force applied to the object divided by the object’s mass.

18
Q

Force pair

A

when two objects exert forces on each other.

19
Q

Net force

A

sum of all forces acting on an object.

20
Q

Newton’s 3rd law of motion

A

when one object exerts a force on a second object, the second objects exerts a force of the same size, but in the opposite direction.

Motion, Forces, and Newton's laws (2 decks)

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