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Which of the following tools can be used to measure the force used to lift an object?
lever
inclined plane
a complex or compound machine
wheel and axle
spring scale
a broom
wheel & axle and lever
fulcrum.
To puncture a can, a can-opener relies on a sharp wedge. The wedge is a variation of which simple machine?
lever
inclined plane
a complex or compound machine
wheel and axle
spring scale
a broom
wheel & axle and lever
fulcrum.
Which type of simple machine is a hammer?
lever
inclined plane
a complex or compound machine
wheel and axle
spring scale
a broom
wheel & axle and lever
fulcrum.
Because it uses several simple machines to complete its task, the can opener can be referred to as what?
lever
inclined plane
a complex or compound machine
wheel and axle
spring scale
a broom
wheel & axle and lever
fulcrum.
The fixed point that a lever pivots around is called the
lever
inclined plane
a complex or compound machine
wheel and axle
spring scale
a broom
wheel & axle and lever
fulcrum.
Which is NOT an example of a complex machine?
lever
inclined plane
a complex or compound machine
wheel and axle
spring scale
a broom
wheel & axle and lever
fulcrum.
Which of the following simple machines is used to help the can-opener revolve around the top of the can while opening it?
lever
inclined plane
a complex or compound machine
wheel and axle
spring scale
a broom
wheel & axle and lever
fulcrum.
Which simple machines are parts of a wheel barrow?
lever
inclined plane
a complex or compound machine
wheel and axle
spring scale
a broom
wheel & axle and lever
fulcrum.
Check it!