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?