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1
What is ….a
What is the term for pushing or pulling on an object to
make it move?
a. Work
b. Force
c. Power
d. Energy
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2
What is ….true
A student wants to use a lever to lift a heavy load.
The fulcrum should be closer to the load than to the
effort to use as little effort as possible.
True or false?
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3
What is ….false
In a compound pulley, the amount of effort needed
is doubled when an additional pulley is added.
True or false
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4
What is ….b
Which will require the greatest force to move an object up
the inclined plane?
a. Steel ramp with a steep slope
b. Sandpaper ramp with a steep slope
c. Sandpaper ramp with a gentle slope
d. Steel ramp with a gentle slope
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1
What is ….true
A Ferris wheel is an example of a wheel and axle.
True or false
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2
What is ….c
What simple machines are found in a can opener?
a. Screw, lever, pulley
b. Lever, wedge, pulley
c. Wheel and axle, lever, wedge
d. Wheel and axle, pulley, lever
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What is ….a
3
A science teacher in a wheel chair uses a ramp to enter the school
building. What simple machine did the science teacher use?
a.
Inclined plane
b.
Wedge
c.
Pulley
d.
lever
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4
What is ….false
Simple machines make tasks easier by decreasing the
amount of work needed to do the task.
True or false?
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What is ….d
Which of the following is a type of simple machine that is
made from two inclined planes
a. Lever b. Screw
c. Pulley
d. Wedge
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2
What is ….c
Which of the following lists three levers?
a. Flag pole, ramp, pliers
b. Ice tongs, flag pole, nutcracker
c. Nutcracker, pliers, ice tongs
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3
What is ….True
The purpose of a simple machine is to use less force to do
the work.
True/False
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4
What is ….false
When you use a lever, the object you want to lift is called
the fulcrum.
True/false
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1
What is ….True
When the effort and load have the same weight and are
each the same distance from the fulcrum of a lever, the
lever is balanced between the effort and force.
True/False
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2
What is ….False
Carrie wants to lift a heavy object using a lever. To use the
least amount of force she should apply the force next to the
load.
True/False
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3
What is ….d
Which is an example of a wheel and axle?
a. Nutcracker
b. Nail c. Hammer
d. Screwdriver
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4
What is ….b
Donald pulls down on the rope attached to a fixed pulley. What will
happen to the load hanging from the hook on the pulley?
a.
The load will move down.
b.
The load will move up.
c.
The load will move to the left.
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1
What is ….a
What type of machine is a ladder?
a. Inclined plane b. Lever c. Pulley
d. wedge
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2
What is ….false
Screws and levers combined make garden shears.
True/False
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3
What is ….True
The egg beater blades act as a wedge.
True/False
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4
What is ….True
A heavy box at the top of an inclined plane stays in place
because the force of friction balances the force of gravity.
True/False
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