WorksheetsGrade 8 revision
Total questions: 25
Worksheet time: 42mins
Which of these words describes a motion?
Rotund
Rotary
Rotisserie
Rota
What is the output motion from a cam?
Vertical
Level
Reciprocating
Linear
Which of the following are types of cam? Select all which apply
Eccentric
offset
box
worm
snail
What is this type of mechanism called?
gear train
gear chain
gear box
bevel gears
If the drive gear has 100 teeth and the driven gear has 10 teeth, how much faster or slower will the driven gear spin?
10 times slower
100 times slower
10 times faster
100 times faster
Levers are sometimes joined together with ------- to change the direction of motion
(a)
Name another energy source that can be used to power mechanisms (machines), electricity, wind and (a)
Where would you find a cam shaft?
food mixer
washing machine
car
pillar drill
What mechanism is used in this hand whisk?
worm gear
levers and linkages
crown and pinion gears
bevel gears
Which mechanism is shown in this close up of a crane
box Cam
Worm gear
Pulley system
Gear Train
Other
Which of the following motions would describe the motion output from an egg shaped cam
constant, fast rise - slow fall
constant and equal rise and fall
equal rise and fall remaining low for longer
equal rise and fall remaining high for longer
In which gear system does the output speed get faster ?
Big gear to small gear
Small gear to big gear to big gear
Big Gear to Small gear to big gear
Small gear to big gear
