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WorksheetsM2 - Cat A
Total questions: 32
Worksheet time: 20mins
Atoms form ions because they want to have a (a) outer shell.
Explain why chlorine and fluorine form covalent bonds
They are both metals
They are both non-metals
One is a metal and one is a non-metal
They are both semi-metals
Chose the compounds
Sand
Saline (salt water)
Air
Water
Covalent bonds are formed between
Two non-metals
Two metals
Solutions, Suspensions and Colloids are all types of
the SI units for density are
kg/m3
kg/cm3
g/cm3
g/m3
What type of substance has the following properties;
Has a definite shape and volume.
Has a fixed surface.
Usually has a high density.
Cannot easily be compressed.
Expands a little on heating.
When a substance evaporates what happens to the surrounding environment?
When a substance freezes what happens to the surrounding environment?
For a 1st class lever to be balanced, which of these statements is true?
Movements each side of the fulcrum are Equal and act in opposite directions
The resistance, near the fulcrum is balanced by a smaller force at a greater distance
The resistance, near the fulcrum is balanced by a larger force at a greater distance
Movements each side of the fulcrum are Equal and act in the same direction
What type of gearing transfers power between two shafts at an angle to each other?
Sun and Planet Gearing
What type of gearing is used for high torque multiplication?
Which of these formulae correctly calculates efficiency?
η=WoutWin×100
η=WoutWin
η=WinWout×100
η=MAVR
if the Mechanical Advantage ratio is 3:1 what would the output force be in relationship to the input force?
The output force would be 3 times the input force
The output force would be equal to the input force
The output force would be half of the input force
The output force would be 1/3 of the input force
How much distance would a car travel if it was moving at 15 m/s for 1 minute?
a piece of wood measuring 2cm x 4cm x 3cm weighing 60g would have a density of
ρ=Vm
500kg/m3
1500kg/m3
2500kg/m3
3500kg/m3
What surface area would be required to produce a force of 150N if a piston of 30cm^2 was being pushed by a 60N force?
P=AF
75 cm^2
150 cm^2
300 cm^2
450 cm^2
If a liquid rises in temperature what happens to the viscosity?
How much work is done when a barrel is pushed for 3m with a force of 20N?
W=f×d
covert −40°C to Fahrenheit
F=59C+32
−40°F
104°F
−32°F
0°F
covert 41°F into Celsius
C=95(F−32)
5.0°C
-5.0°C
41.0°C
105.8°C
What is the acceleration due to gravity in SI units?
9.8m/s2
10m/s2
9.8km/s2
10km/s2
What is the SI unit of work?
Changing the spinning rotors mass in a gyroscope will effect its
Rigidity
Precession
Orientation
What are the SI units for the coefficient of friction?
What type of friction requires the least force to overcome?
Sliding friction
How would you find the resultant of two or more vectors that act in the same direction along the same line
