Mister Jack Hydraulic

brick4.jpg

Mister Jack Hydraulic was always in a fix,
Whatever was the problem,
He was always there double – quick.

brick4.jpg Hydraulic Maths Quiz


Write a mathematical equation to show your working out to the following maths problems – a fun look at the scientific concepts of force and pressure.

1/ If it took 3.5 minutes to lift a weight of 15 kg, how long did it take Hydraulic Jack to lift 150 kg ?

2/ Work out the area of a sheet of metal lifted by Mister Jack Hydraulic that measured 75 cm x 125 cm.

3/ Work out the volume of a brick lifted by Mister Jack Hydraulic that measured 5 cm wide, 4 cm high and 8 cm long.

4/ If one brick lifted by Mister Jack Hydraulic weighed 3.5 kg, how much did 200 weigh ?

5/ If the formula for the pressure of a piston = force / area, what pressure was exerted by Mister Hydraulic Jack with a pressure of 100 000 kj force on the sheet on metal ?

6/ If the formula for work is force x distance, how much work did Mister Jack Hydraulic have to do by carrying the sheet of metal 2 metres ?

brick4.jpg Force
pushed with all his ___ ___ ___ ___ ___

___ ___ ___ ___ ___ d his way through the door

work___ ___ ___ ___ ___

power ___ ___ ___ ___ ___

___ ___ ___ ___ ___ a smile

___ ___ ___ ___ ___ of the argument

___ ___ ___ ___ ___ d to pay

___ ___ ___ ___ ___ of the law

___ ___ ___ ___ ___ four gale

brick4.jpg Pressure
cabin ___ ___ ___ ___ ___ ___ ___ ___

cooker ___ ___ ___ ___ ___ ___ ___ ___

___ ___ ___ ___ ___ ___ ___ ___ guage

blood ___ ___ ___ ___ ___ ___ ___ ___

___ ___ ___ ___ ___ ___ ___ ___ gradient

___ ___ ___ ___ ___ ___ ___ ___ point

___ ___ ___ ___ ___ ___ ___ ising

___ ___ ___ ___ ___ ___ ___ is___ d

underwater ___ ___ ___ ___ ___ ___ ___ ___

air ___ ___ ___ ___ ___ ___ ___ ___

Measure
___ ___ ___ ___ ___ ___ ___ ___ ment

___ ___ ___ ___ ___ ___ ___ ing

well ___ ___ ___ ___ ___ ___ ___ d

___ ___ ___ ___ ___ ___ ___ abl___

___ ___ ___ ___ ___ ___ ___ d

___ ___ ___ ___ ___ ___ ___ ing stick

take ___ ___ ___ ___ ___ ___ ___ ___

for good ___ ___ ___ ___ ___ ___ ___ ___

in a ___ ___ ___ ___ ___ ___ ___ ___

short ___ ___ ___ ___ ___ ___ ___ ___

___ ___ ___ ___ ___ ___ ___ ably

___ ___ ___ ___ ___ ___ ___ ing tape

© Jacqueline Richards 2007

Answers
1/ 150 / 15 x 3.5 = 35 mins
2/ 75 x 125 = 9 375 sq cm
3/ 5 x 4 x 8 = 160 cubic cm
4/ 3.5 x 200 = 700 kg
5/ pressure = 100 000 / 9 375 = 10.6 r
6/ work = 100 000 x 2 = 200 000

Force
pushed with all his force
forced his way through the door
workforce
power force
force a smile
force of the argument
forced to pay
force of the law
force four gale

Pressure
cabin pressure
cooker pressure
pressure guage
blood pressure
pressure gradient
pressure point
pressurising
pressurised
underwater pressure
air pressure

Measure
measurement
measuring
measured
measurable
measured
measuring stick
take measure
for good measure
in a measure
short measure
measurably
measuring tape

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