lever pulley screw lever Keep thinking Keep thinking Next Question screw Which of these would be best for keeping a door open wedge pulley wedge Keep thinking Keep thinking Next Question ID: 933809
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Slide1
Slide2A claw hammer lifting a nail is an example of a…
lever
pulley
screw
lever
Keep thinking
Keep thinking
Next Question
Slide3screw
Which of these would be best for keeping a door open?
wedge
pulley
wedge
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Next Question
Previous Question
Slide4screw
inclined plane (ramp)
Which of these would be best to move a wheelbarrow up a slope?
pulley
inclined plane (ramp)
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Slide5It takes less effort or work to walk up a ramp rather than steps to the same height.
False
True
False
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Slide6wedge
screw
A
is a simple machine used to increase lift strength with a tracked wheel and a cord, rope or chain.
pulley
pulley
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Slide7pulley
screw
A knife and a chisel are examples of a…
wedge
wedge
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Slide8an inclined plane
a complex machine
The wheel and axle system is an example of…
a simple machine
a simple machine
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Slide9pulley
axe
Which of these is
not a wedge?
nail
nail
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Slide10screw
wedge
Elevators work by using a powerful
system.
pulley
pulley
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Slide11an inclined plane wrapped around a rod
a lever
a wedge
A screw can be thought of as…
an inclined plane wrapped around a rod
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Slide12Some of your teeth are shaped liked wedges?
True
False
True
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Slide13Wedges can rotate things
Wedges are a simple machine.
Wedges can cut things.
Which of these statements about wedges is
incorrect
?
Wedges can rotate things.
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Wedges can split things.
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Slide14corkscrew
Guillotine (paper cutter)
nut and bolt
Which is
not an example of a screw?
guillotine (paper cutter)
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Slide15screw
pulley
lever
A
woomera (spear thrower) acts as a
to move the spear with force and speed.
lever
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End of quiz
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Slide16