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Work & Simple Machines II
Test Description: Work and Simple Machines
Instructions: Answer all questions to get your test result.
1) Which is NOT an example of a complex machine?
A
a hand drill
B
a broom
C
a pencil sharpener
D
a bicycle
2) To puncture a can, a can-opener relies on a sharp wedge. The wedge is a variation of which simple machine?
A
pulley
B
inclined plane
C
lever
D
wheel and axle
3) Which of the following simple machines is used to help the can-opener revolve around the top of the can while opening it?
A
wheel and axle
B
pulley
C
lever
D
lever
4) Because it uses several simple machines to complete its task, the can opener can be referred to as what?
A
a combination machine
B
an advanced or super machine
C
a utility machine
D
a complex or compound machine
5) Which type of simple machine is a hammer?
A
screw
B
pulley
C
wheel
D
lever
6) The fixed point that a lever pivots around is called the
A
fulcrum.
B
axle.
C
pulley.
D
gear.
7) If a load is too heavy to push up an inclined plane, which of the following reccommendations could you make to help?
A
Use a shorter, steeper ramp.
B
Use a longer, gradual ramp.
C
Use a single, fixed pulley to lift the load.
D
Drag the load up the ramp in a box without wheels.
8) Which of the following tools can be used to measure the force used to lift an object?
A
springometer
B
triple-beam balance
C
spring scale
D
gravitron
9) Which simple machines are parts of a wheel barrow?
A
wedge and wheel & axle
B
lever and pulley
C
wheel & axle and lever
D
lever and wedge
10) Which of the following is NOT a simple machine that uses a pulley or pulley system?
A
slide
B
flag pole
C
crane
D
sail on a sailboat
*select an answer for all questions
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