Answer ALL questions. Look for any feedback given if you get an answer incorrect. Keep choosing an answer until you get it correct. CORRECT or INCORRECT answers are indicated at the TOP of the page. A score is given at the TOP of the page when the exercise has been completed.
What is the (SI) unit of measure for pressure/stress?
N/m
N/m sq
Kg/m sq
Kg/m
What is the (SI) unit for area?
millimetres sq
millimetres cubed
metres cubed
metres squared
Convert 26mm squared into a metres squared value
0.000026 m sq
26000 m sq
0.0026 m sq
260 m sq
Convert 14cm squared into a metres squared value
0.000014 m sq
140 m sq
0.0014 m sq
0.14 m sq
Convert 2.34 tonnes into kilogrammes
234 kg
2340 kg
23.4 kg
234000 kg
When converting mm sq to m sq values, calculators can use 'multiplication factors' (x10 powers). What number would be used with the x10 to convert mm sq to m sq
3
-4
6
-6
When converting cm sq to m sq values, calculators can use 'multiplication factors' (x10 powers). What number would be used with the x10 to convert cm sq to m sq
-2
-4
-9
-6
what is the formula for 'work done'?
force x time
force x distance
mass x distance
mass x gravity
What is the (SI) unit of measure for 'work done'?
joule
watt
newton
kilowatt
What is the (SI) unit of measure for 'power'?
joule
watt
newton
kilowatt
What is the formula for power?
work done / time taken
work done x distance moved
force / time taken
force x distance moved
What is signified by the term 'Mega'?
one millionth
one million
one thousand
one thousandth
What is signified by the term 'milli'?
one million
one millionth
one thousand
one thousandth
A mass of 20kg is moved a distance of 10 metres, calculate the work done?
1962 J
300 J
2194J
1000J
What is signified by the letter 'k' after a number?