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Physics 2

Total questions: 60

Worksheet time: 30mins

Name
Class
Date
1.

The further from the earth an aircraft is the _______ orbital rpm and the ________ the velcoity

a)

Slower, Faster

b)

Faster, Slower

c)

Slower, Slower

2.

What is the height of the Geosychronous orbit?

a)

22,300 miles

b)

21, 300 miles

c)

23, 300 miles

3.

When a satellite speed matches the rotation of the earth it is?

a)

Geosynchronous orbit

b)

Perfect Orbit

c)

Centripetal orbit

4.

What is repeated motion referred to?

a)

Simple Harmonic motion

b)

Continuous motion

c)

Resonate motion

5.

Energy is simple harmonic motion is?

a)

Wave energy

b)

Sinusoidal energy

c)

Resonate energy

6.

When does simple harmonic motion occur?

a)

When a mass is subject to a linear restoring force

b)

When a mass is subject to a sinusoidal restoring force

c)

When a mass is subject to a mechanical restoring force

7.

What is elasticity ?

a)

Ability of an object to spring back

b)

Ability of an object to restore itself after distortion

c)

Forward and back motion of an object

8.

If something is more elastic it will return back to itself more than something that isnt elastic.

a)

True

b)

False

9.

What is the first, second and third harmonic?

a)

100HZ, 200HZ, 300HZ

b)

300HZ, 200HZ, 100HZ

c)

300HZ, 400HZ, 500HZ

10.

What is dynamics the study of?

a)

Forces at work in motion and use of energy.

b)

Complex arrangements of molecules

c)

Anatomy of atoms and energy

11.

What is the mass of the moon compared to earth?

a)

1/8

b)

1/6

c)

1/10

12.

What resists any change in motion?

a)

Inertia

b)

Resistance

c)

Gravity

13.

The rate of doing work is?

a)

Work

b)

Force

c)

Power

14.

The capacity for work to be done and effect change is?

a)

Work

b)

Power

c)

Energy

15.

The resistance of an object against a surface is called?

a)

Friction

b)

Repel

c)

Resistance

16.

Starting or static, Sliding and rolling are three types of what?

a)

Friction

b)

Resistance

c)

Lubrication

17.

What can be a consequence of friction?

a)

Heat

b)

Electricity

c)

Cooling

18.

Conservation of angular momentum is going to _________ the rpm?

a)

Increase

b)

Decrease

c)

Stay the same

19.

The natural property of any rotating mass to resist change to its plane unless acted upon externally is?

a)

Precession

b)

Rigidity

c)

Stabilisation

20.

The change of plane of rotation caused by an external force is?

a)

Precession

b)

Rigidity

c)

Stabilisation

21.

What angle does precession occur at?

a)

90 degrees

b)

180 degrees

c)

270 degrees

22.

The measure of a fluids resistance to flow is?

a)

Viscosity

b)

Density

c)

Thickness

23.

Increase of temperature of a liquid, will _______ viscosity.

a)

Decrease

b)

Increase

c)

Stay the same

24.

Increase the temperature in a gas, the viscosity will ________.

a)

Increase

b)

Decrease

c)

Stay the same

25.

What effect is found around a curved shape for streamlining?

a)

Coanda

b)

Ripple

c)

Streamline

26.

Gasses are considered incompressible under?

a)

200mph

b)

220mph

c)

240mph

27.

Static pressure is measured?

a)

Perpendicular

b)

Parallel

c)

Head on

28.

When the cross sectional area of a cylinder is decreased, what happens to fluids velocity and pressure going through it?

a)

Velocity = Increase, Pressure= Decrease

b)

Velocity = Decrease, Pressure = Increase

c)

Velocity = Increase Pressure = Increase

29.

Static pressure + Dynamic pressure = Total Pressure = ________?

a)

Fluctuating

b)

Inconsistent

c)

Constant

30.

The redaction in fluid pressure that results from fluid flowing through a constricted section of pipe is called the?

a)

Venturi

b)

Bernouilli

c)

Dynamic pressure

31.

What do leading edges experience?

a)

Dynamic pressure

b)

Lift

c)

Total pressure

32.

One calorie is the quantity of heat to raise the temp of ___________.

a)

One gram of water by one degree.

b)

One gram of water by 10 degrees.

c)

10 grams of water by one degree

33.

What contains more heat, a cup of water at 90 degress or a pool of water 30 degrees.

a)

Cup of water

b)

Pool of water

34.

The number of calories required to raise the temperature of 1 gram of the substance by 1 degree Celsius is?

a)

Specific heat

b)

Heat capacity

c)

Require temperature

35.

The amount of heat required to change its temperature by one degree, and has units of energy per degree.

a)

Heat capacity

b)

Specific heat

c)

Temperature scales

36.

Temperature measures the average _______ energy?

a)

Kinetic

b)

Potential

c)

Static

37.

Water boils at how many Kelvins?

a)

100K

b)

0K

c)

373K

38.

Amount of heat required to boil or vaporize a liquid is called?

a)

Latent heat of vaporization

b)

Latent heat of fusion

c)

Sensible heat

39.

The amount of heat requires to melt a solid is?

a)

Latent head of vaoprisaton

b)

Latent head of fusion

c)

Breakdown

40.

Heat that causes a substance to change its state with no change in temperature is no change is know as?

a)

Latent heat

b)

Vaporization

c)

Alteration

41.

How many calories of latent heat will cause one gram of water at 100 degrees to steam at 100 degrees.

a)

540 calories

b)

500 calories

c)

630 calories

42.

The volume of a confined body of gas varies inversely as pressure rises if temperature remains constant.

a)

Boyle's

b)

Charles'

c)

Air conditionoing

43.

An isothermal process means?

a)

Process happening at room temperature

b)

Process happening below room temperature

c)

Process happening above room temperature

44.

Volume of gas varies direct proportion to temperature when pressure remains constant.

a)

Boyle's

b)

Charles'

c)

Air conditioning

45.

A temperature change without external heat or removal of heat by external means is?

a)

Abiabatic process

b)

Isothermal Process

c)

Charles'law

46.

First law of thermodynamics is?

a)

Heat can not be created nor destroyed, only converted.

b)

Heat cannot flow from a cooler body of temperature to a hotter one

c)

Heat is a byproduct of combustion

47.

Second law of thermodynamics is?

a)

Heat can be transferred from a hot body to cold body

b)

Het can be transferred from a cold body to hot body

48.

What is the ratio mixture adiabatically compressed into a smaller volume?

a)

15:1

b)

10:1

c)

5:1

49.

What is the speed of light?

a)

5x10^8m/s

b)

4x10^8m/s

c)

3x10^8m/s

50.

What range of nanometers is light in?

a)

400-700

b)

100-400

c)

400-1000

51.

What is effected by gravity, exerts a force and generates the photelectric effect.

a)

Light

b)

Heat

c)

Electricity

52.

Light can be

a)

Reflected or refracted

b)

Dispersed

c)

Polarized lens

d)

Doppler effect

e)

All the above

53.

Angle of refraction is dependent on?

a)

Density of material

b)

Size of material

c)

Colour of material

54.

Refractive index number is?

a)

Speed of light in vaccum/Speed of light in material

b)

Speed of light in material/Speed of light in vacumm

c)

Speed of light in vaccum x Speed of light in material

55.

A convex lens that does not focus the light passing through it making it not sharp is called?

a)

Specticals

b)

Converging lens

c)

Spherical aberration

56.

Optical fibers carry out light information at speeds of?

a)

2/3rd speed of light

b)

Same asnspeed of light

c)

1/3rd speed of light

57.

Dark shaded parts of a longitudinal wave and light shaded parts are called?

a)

Compression and refraction

b)

Compression and space

c)

Refraction and compression

58.

Sound travels faster in liquids and solids than air.

a)

True

b)

False

59.

What is the threshold of pain?

a)

120dB

b)

100dB

c)

50dB

60.

Speed of sound is?

a)

300m/s

b)

340m/s

c)

360m/s