WorksheetsPhysics 2
Total questions: 60
Worksheet time: 30mins
The further from the earth an aircraft is the _______ orbital rpm and the ________ the velcoity
Slower, Faster
Faster, Slower
Slower, Slower
What is the height of the Geosychronous orbit?
22,300 miles
21, 300 miles
23, 300 miles
When a satellite speed matches the rotation of the earth it is?
Geosynchronous orbit
Perfect Orbit
Centripetal orbit
What is repeated motion referred to?
Simple Harmonic motion
Continuous motion
Resonate motion
Energy is simple harmonic motion is?
Wave energy
Sinusoidal energy
Resonate energy
When does simple harmonic motion occur?
When a mass is subject to a linear restoring force
When a mass is subject to a sinusoidal restoring force
When a mass is subject to a mechanical restoring force
What is elasticity ?
Ability of an object to spring back
Ability of an object to restore itself after distortion
Forward and back motion of an object
If something is more elastic it will return back to itself more than something that isnt elastic.
True
False
What is the first, second and third harmonic?
100HZ, 200HZ, 300HZ
300HZ, 200HZ, 100HZ
300HZ, 400HZ, 500HZ
What is dynamics the study of?
Forces at work in motion and use of energy.
Complex arrangements of molecules
Anatomy of atoms and energy
What is the mass of the moon compared to earth?
1/8
1/6
1/10
What resists any change in motion?
Inertia
Resistance
Gravity
The rate of doing work is?
Work
Force
Power
The capacity for work to be done and effect change is?
Work
Power
Energy
The resistance of an object against a surface is called?
Friction
Repel
Resistance
Starting or static, Sliding and rolling are three types of what?
Friction
Resistance
Lubrication
What can be a consequence of friction?
Heat
Electricity
Cooling
Conservation of angular momentum is going to _________ the rpm?
Increase
Decrease
Stay the same
The natural property of any rotating mass to resist change to its plane unless acted upon externally is?
Precession
Rigidity
Stabilisation
The change of plane of rotation caused by an external force is?
Precession
Rigidity
Stabilisation
What angle does precession occur at?
90 degrees
180 degrees
270 degrees
The measure of a fluids resistance to flow is?
Viscosity
Density
Thickness
Increase of temperature of a liquid, will _______ viscosity.
Decrease
Increase
Stay the same
Increase the temperature in a gas, the viscosity will ________.
Increase
Decrease
Stay the same
What effect is found around a curved shape for streamlining?
Coanda
Ripple
Streamline
Gasses are considered incompressible under?
200mph
220mph
240mph
Static pressure is measured?
Perpendicular
Parallel
Head on
When the cross sectional area of a cylinder is decreased, what happens to fluids velocity and pressure going through it?
Velocity = Increase, Pressure= Decrease
Velocity = Decrease, Pressure = Increase
Velocity = Increase Pressure = Increase
Static pressure + Dynamic pressure = Total Pressure = ________?
Fluctuating
Inconsistent
Constant
The redaction in fluid pressure that results from fluid flowing through a constricted section of pipe is called the?
Venturi
Bernouilli
Dynamic pressure
What do leading edges experience?
Dynamic pressure
Lift
Total pressure
One calorie is the quantity of heat to raise the temp of ___________.
One gram of water by one degree.
One gram of water by 10 degrees.
10 grams of water by one degree
What contains more heat, a cup of water at 90 degress or a pool of water 30 degrees.
Cup of water
Pool of water
The number of calories required to raise the temperature of 1 gram of the substance by 1 degree Celsius is?
Specific heat
Heat capacity
Require temperature
The amount of heat required to change its temperature by one degree, and has units of energy per degree.
Heat capacity
Specific heat
Temperature scales
Temperature measures the average _______ energy?
Kinetic
Potential
Static
Water boils at how many Kelvins?
100K
0K
373K
Amount of heat required to boil or vaporize a liquid is called?
Latent heat of vaporization
Latent heat of fusion
Sensible heat
The amount of heat requires to melt a solid is?
Latent head of vaoprisaton
Latent head of fusion
Breakdown
Heat that causes a substance to change its state with no change in temperature is no change is know as?
Latent heat
Vaporization
Alteration
How many calories of latent heat will cause one gram of water at 100 degrees to steam at 100 degrees.
540 calories
500 calories
630 calories
The volume of a confined body of gas varies inversely as pressure rises if temperature remains constant.
Boyle's
Charles'
Air conditionoing
An isothermal process means?
Process happening at room temperature
Process happening below room temperature
Process happening above room temperature
Volume of gas varies direct proportion to temperature when pressure remains constant.
Boyle's
Charles'
Air conditioning
A temperature change without external heat or removal of heat by external means is?
Abiabatic process
Isothermal Process
Charles'law
First law of thermodynamics is?
Heat can not be created nor destroyed, only converted.
Heat cannot flow from a cooler body of temperature to a hotter one
Heat is a byproduct of combustion
Second law of thermodynamics is?
Heat can be transferred from a hot body to cold body
Het can be transferred from a cold body to hot body
What is the ratio mixture adiabatically compressed into a smaller volume?
15:1
10:1
5:1
What is the speed of light?
5x10^8m/s
4x10^8m/s
3x10^8m/s
What range of nanometers is light in?
400-700
100-400
400-1000
What is effected by gravity, exerts a force and generates the photelectric effect.
Light
Heat
Electricity
Light can be
Reflected or refracted
Dispersed
Polarized lens
Doppler effect
All the above
Angle of refraction is dependent on?
Density of material
Size of material
Colour of material
Refractive index number is?
Speed of light in vaccum/Speed of light in material
Speed of light in material/Speed of light in vacumm
Speed of light in vaccum x Speed of light in material
A convex lens that does not focus the light passing through it making it not sharp is called?
Specticals
Converging lens
Spherical aberration
Optical fibers carry out light information at speeds of?
2/3rd speed of light
Same asnspeed of light
1/3rd speed of light
Dark shaded parts of a longitudinal wave and light shaded parts are called?
Compression and refraction
Compression and space
Refraction and compression
Sound travels faster in liquids and solids than air.
True
False
What is the threshold of pain?
120dB
100dB
50dB
Speed of sound is?
300m/s
340m/s
360m/s
