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Caa Physcis B1 > Physics 2 > Flashcards

Physics 2 Flashcards

1
Q

What’s is the equation for Moment of inertia

A

Product of mass x distance from axis

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2
Q

What is the angular momentum

A

Radius x the linear motion

Or

Inertia x distance from axis

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3
Q

Equation for angular momentum

A

Rotational inertia x angular velocity

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4
Q

How could you increase the ridigty of a gyroscope

A

Making making rotation faster
Increasing the mass
Increasing the distance of mass form the axis

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5
Q

What is prescient in gyroscopes

A

This is the reaction to a force applied to the axis of a rotating assembly causing it to tilt or turn

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6
Q

What’s is the equation for work done

A

Force x distance

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7
Q

What is Radiant energy

A

It is a type of energy that travels by waves or particles

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8
Q

What is thermal energy

A

It is heat or warmth and travels through waves and particles

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9
Q

What is sound energy

A

It’s vibration in air and particles that we can hear through our eardrums

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10
Q

What is l electrical energy

A

It’s the flow of negative electrons around a circuit

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11
Q

What is mechanical energy

A

It is physical movements such as a tennis ball

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12
Q

What is power

A

Work done divided by time or energy divide by time

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13
Q

What is normal reaction

A

It is a force that acts in the oposite to weight like 2 kg on a table the normal will react with 2kg of force

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14
Q

What is kinetic friction

A

It is generated when one surface slides over another

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15
Q

What is the equation for the co efficacy of friction

A

Friction force divide by the normal reaction

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16
Q

What is metallic friction

A

It is comprised of adhesion and displacement

17
Q

How does rolling friction effect an object

A

Friction is reduced when rolled on objects compared to sliding

18
Q

Equation of specific gravity

A

Density of object divide density of water

19
Q

What is fluid flow measured in

A

Cubic meters per second

20
Q

What is the equation for flow rate

A

Velocity x the cross sectional area

21
Q

How does lift on an aicraft work

A

High pressure lo velocity air on the botttom

Low pressure high velocity air on the top

22
Q

What is specific heat capacity

A

It is the amount of heat required to raise 1 gram of material by 1 degrees

23
Q

What is the latent heat equation

A

Mass x specific heat

24
Q

What is conduction

A

It’s energy passed form particle to particle

25
Q

What is convection currents

A

It’s rising hot currents and it cools and falls kind of looks like a volcano

26
Q

What is the co efficnat of linear exspansion

A

Change in length divide by original length x change in temperature

27
Q

Entropy

A

Is the amount of energy lost during an exchange of energy like ice melting

28
Q

What is impulse

A

The change in momentum

Mass x velocity 1 - mass x velocity 2

Caa Physcis B1 (3 decks)

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