motion flashcards

0
Q

What’s friction

A

A force between surfaces that slow objects down or stops them from moving

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1
Q

What is force

A

Force is any Push or pull that makes an object start moving or stop,moving, speed up, slow down or change derection

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2
Q

If you rub your hands together it gets hot because

A

Friction

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3
Q

What’s inertia

A

The tendency of an object to remain in motion or to stay at rest unless acted upon by a outside force

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4
Q

What’s work

A

The use of a force to move a object a certain distance

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5
Q

What’s energy

A

The ability to do work either to make an object move or to change matter

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6
Q

What’s potential energy

A

Energy that’s stored or wating to be used giving the object future energy

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7
Q

Whats stored energy called

A

Potential energy

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8
Q

What’s kinetic energy

A

The e ergo an object has because it’s moving

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9
Q

What’s the 6 different forms of energy?

A

Chemical, electrical, thermal, nuclear, light, mechanical,

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10
Q

What is mechanical energy?

A

The energy of motion.
Examples are wind, water in a waterfall, a jet plane speeding through the air. Even sound is considered mechanical energy.

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11
Q

What is thermal energy?

A

The energy from heat. Objects that are hot contain thermal energy.

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12
Q

What is chemical energy?

A

The energy your body uses to move is chemical energy. It is stored in the particles that make up food, fuel, and other types of matter.

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13
Q

What is electrical energy?

A

Electrical energy is related to the movement of charged particles.

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14
Q

What is radiant energy?

A

Light, weather it comes from the sun or a light bulb

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15
Q

What is nuclear energy?

A

Energy that comes from radioactive objects

16
Q

Can energy change from one form to aonther?

A

Yes

17
Q

What are our most useful forms of energy?

A

Sunlight, fuel of all types, wind, and water

18
Q

What’s six simple types of machines

A

Lever pulley wheel and axle inclined plane wedge and screw

19
Q

What’s a simple Machine

A

A machine with few moving parts making it easier to do work

20
Q

This simple machine is a stiff bar that moves about a fixed point fulcrum it’s used to push pull

A

A lever example shovel

21
Q

This simple machine is a wheel that has a rope wrapped around it it’s used to lift heavy objects by changing direction or amount of force.

A

Pulley

22
Q

This simple machine consists of a rod attached to a wheel it makes it easier to move or turn things

A

Wheel and axel

23
Q

This simple machine is a flat surface that’s raised so one end is higher that the other it helps move heavy objects up or down

A

Inclined plane

24
Q

This simple machine is Wide at one end and pointed at he other to help cut or split other objects

A

A wedge

25
Q

This simple machine is an inclined plane wrapped around a cylinder or a cone it’s used to hold objects together

A

A screw

26
Q

What’s a compound machine

A

A combination of two or more simple machines