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Mechanical Advantage
Page 5
Questions (223)
A certain lever system is only 30% efficient. What could make it more efficient? (1 point)
Responses Make a longer lever that
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Amanda uses a wheel barrel to lift a load of bricks. The bricks weigh 600 N which is more than Amanda could normally carry.
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Machines were invented to have a mechanical advantage, so the work output is always __________ than the work input. a greater b
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A certain lever system is only 30% efficient. What could make it more efficient? (1 point)
• Use a stiffer lever to reduce
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Machines were invented to have a mechanical advantage, so the work output is always __________ than the work input.
a. greater b.
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By sharpening a wedge, you _______________ the machine’s mechanical advantage.
a. Increase b. Decrease c. Do not affect d. Lose
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using a lever arm to move an object is an example of what biomechanical principle
contraction leverage force speed
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How could you increase the mechanical advantage of the ramp below?
a increase the length of the ramp b increase the height of the
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By sharpening a wedge, you _______________ the machine’s mechanical advantage.
a Do not affect b Increase c Lose d Decrease
1 answer
asked by
ii
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By sharpening a wedge, you _______________ the machine’s mechanical advantage.
a Increase b Do not affect c Lose d Decrease
1 answer
asked by
ii
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Calculate mechanical advantage of the following systems
Load of 120N and effert of 120N
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asked by
Kamogelo
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Calculate mechanical advantage of the following systems
Load of 6N and effort of 24
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asked by
Kamogelo
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The wheel of a bicycle has a radius of 35cm while the rear sproket has a radius of 3.5cm assume wheel drives both sproket and
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A team of students builds a lever as a science project. They expend 10,300 Joules of energy to lift some bricks with the lever.
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u dont know me
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the wheel of a bicycle has a radius of 35cm while the rear gear sprocket has a radius of 3.5cm. assume the wheel drives both the
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When a small input is turned into a bigger output force it is called what?
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Dineo
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machines were invented to have a mechanical advantage, so the work output is always ___ than the work input.
A)harder B)less
1 answer
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by sharpening a wedge, you ____ the machine's mechanical advantage.
A)increase B)lose C)decrease D)do not affect
1 answer
asked anonymously
4 views
Why do we calculate theoretical mechanical advantage rather than the real mechanical advantage?
a It's too hard to calculate the
1 answer
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Question 18
Which of the following would increase the mechanical advantage of an inclined plane? Best Inclined Plane GIFs |
5 answers
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newbisdjh
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What is mechanical advantage?
a None of the above b The number of times the machine divides the effort force c The number of
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Tasha uses a mallet and wedge to help her split wood. The picture shows the mallet and wedge. Tasha uses the wedge because it is
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What can a car manufacturer do to increase the mechanical advantage of a steering wheel?
* 1 point shorten the axle length of the
1 answer
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2 views
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Parent Categories (17)
Engineering
Force
Force and Equilibrium
Force and Motion
Force and Work
Forces
Forces and Motion
Lever Systems
Machines
Machines and Mechanics
Mechanical Engineering
Mechanics
Physics
Pulleys
Simple Machines
Work and Energy
Work and Force