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Worksheets3. Energy Calculations
Total questions: 19
Worksheet time: 11mins
Within a calculation, velocity is the term that refers to what?
Speed
Weight
Force
Distance
Within numeric notation, the prefix nano is represented as x10−9. True or false?
True
False
Which prefix is used to refer to a number that has been multiplied or is magnified by one million?
Micro
Kilo
Mega
Giga
In order to calculate the energy for work done, you multiply force applied by what other value?
Gravity
Weight
Distance moved
The force of gravity is represented as which figure?
9.8m/s
8.9m/s
343m/s
19.8m/s
Which unit of measurement is energy calculated in?
Joules
Kilograms
Newtons
Decibels
Electrical energy is calculated by multiplying current and which other TWO values?
Voltage
Speed
Time
Distance
Potential energy is also known as (a) energy.
Movement energy is technically referred to as (a) energy.
In engineering calculations, the Greek letter delta (Δ) is used to represent which piece of information?
The difference or the gap between two values
The height of an object
The total number of several values once you add them together
The heat capacity of a material relates to the amount of energy required to raise it's temperature. Different materials have different heat capacities. True or false?
True
False
The concept of representing different values of a formula within a triangle helps with the action known as what?
Transposition
Reiteration
Manipulation
Triangulation
When calculating Electrical Energy, time (t) is always measured using which unit of measurement?
milliseconds
seconds
minutes
hours
The gravitational force on the moon is roughly 6 times weaker than it is on Earth. Taking this into consideration, if an astronaut weighed 90kg, what would their mass roughly be on the moon's surface?
15kg (90kg/6)
90kg
540kg (90kg x 6)
882kg (90kgx9.8m/s)
The number 12000 has how many significant figures?
5
4
3
2
If a water tank contains 70 litres of water, what is the mass of the amount of water in the tank?
70kg
70N
70l/kg
70 fluid ounces
Ohm's law (V=IR) is used to calculate what?
Velocity
Frequency
Voltage
Kelvin is a unit of measurement used to represent what?
Pressure
Temperature
Mass
Gravity
Fill in the blank... Electrical resistance is measured in (a) .
