Energy and Speed Lesson 1 Flashcards

1
Q

The distance an object moves in an amount of time

A

Speed

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2
Q

the speed and direction of an object

A

Velocity

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3
Q

a change in velocity over time

A

Acceleration

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4
Q

The ability to do work

A

Energy

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5
Q

the energy that is stored inside an object

A

Potential energy

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6
Q

The energy an object has because it is moving

A

Kinetic energy

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7
Q

The tendency of a moving object to keep moving in a straight line or any object to resist a change in motion

A

Inertia

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8
Q

Force that results from the interaction of two objects in contact with each other

A

Contact force

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9
Q

The movement of energy from one object to another or the change of energy from one form to another

A

Energy transfer

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10
Q

A force which acts on an object without coming physically in contact with it

A

Non-contact force

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11
Q

A principle in physics that states that energy can neither be created nor destroyed and that the total energy of a system by itself remains constant

A

Conservative of energy

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12
Q

The process of an object changing position over time.

A

Motion

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13
Q

The force of attraction between two objects due to their mass

A

Gravity

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14
Q

We use energy to change

A

Change things grow move work

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15
Q

Objects with potential energy are not using __________________right now but it is stored and can be used ________________

A

Energy later

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16
Q

The higher the object the _________________potential energy

A

More

17
Q

Kinetic energy does not _____________if an object moves higher or lower

A

Change

18
Q

An object kinetic energy depends on the object’s ________________

A

Speed

19
Q

The object with greater _______________________has more kinetic energy

A

Mass

20
Q

____________________________is the energy an object gains when work is done on it

A

Mechanical energy

21
Q

Two forms of mechanical energy

A

Potential energy kinetic energy

22
Q

_____________________is any push or pull

A

Force

23
Q

________________________________of an object depends on the force on the object

A

Acceleration

24
Q

If you apply the same force to two objects of different masses the greater mass accelerates more _____________________

A

Slowly

25
Q

The pull of gravity on 2 objects depends on two factors________________________in the objects ___________________between objects

A

Amount of matter distance

26
Q

Gravity _______________________________as distance increases

A

Decreases

27
Q

The pull of gravity between earth and moon causes the ________________

A

Tides

28
Q

_________________is a force that opposes the motion of an object moving past another

A

Friction

29
Q

Energy is transformed when it _____________________from one form to another

A

Changes

30
Q

_____________________cradle is an example of transferring energy

A

Newtons