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Simple Machines
Page 7
Questions (1,041)
Which is the same class of lever as a broom?
A. A boat oar. B. A baseball bat. C. A wheelbarrow. D. A pair of scissors.
3 answers
asked by
Answer
34 views
Which statements are true?
A. A screwdriver is a wheel & axle. B. A wheelbarrow is a kind of pulley. C. When a force is applied
3 answers
asked by
Answer
54 views
Which two things make up a pulley?
A. A handle and a screw. B. A screw and a wheel. C. A wheel and a rope. D. A rope and a
3 answers
asked by
Answer
28 views
Which of these is a wheel & axle?
A. Doorknob B. Hammer C. Nail D. Oar
3 answers
asked by
Answer
22 views
On a wheel & axle, where would you apply force to make a greater force?
3 answers
asked by
Answer
30 views
Which other simple machine is most like a wheel & axle?
A. Lever B. Pulley C. Screw D. Wedge
3 answers
asked by
Answer
56 views
Which set of pulleys makes it easiest to lift a weight?
A. The one with the longest rope. B. The one with the fewest pulleys. C.
3 answers
asked by
Answer
53 views
On a wheel & axle, where would you apply force to increase speed?
3 answers
asked by
Answer
32 views
How does a pulley make work easier when it is used to lift an object?(1 point)
Responses It increases the amount of work produced
3 answers
asked by
Answer
80 views
Use the image of a person lifting a boulder with a lever to answer the question.
An illustration shows a man using a stick and a
3 answers
asked by
Answer
65 views
A person is lifting a heavy box using a lever. What is the purpose of the lever in this situation?(1 point)
Responses to reduce
3 answers
asked by
Answer
139 views
How do simple machines make work easier?(1 point)
Responses They magnify the force being applied, thereby decreasing the work
3 answers
asked by
Answer
62 views
If a lever problem asks you to find a way to "lift" something, does that mean to balance the object(s), or to tilt it past the
1 answer
asked by
Cicilia
351 views
examples of class 3 levers
3 answers
asked by
RXB_I
61 views
To improve efficiency, improve the fulcrum (the point about which a lever rotates) or increase the stiffness of the board
3 answers
asked by
RXB_I
115 views
i need a wedsite to help me dengin a moldol of a simple machine for a proget any ideas
2 answers
asked by
sam
909 views
A mover uses a ramp to push a stereo into the moving van. The ramp is 3 meters long and 1.5 meters high. What is the ima of this
6 answers
asked by
Liam
1,015 views
An inclined plane of angle 30 degree is used as a simple machine. What is it velocity ratio
3 answers
asked anonymously
37 views
A block and tackle consisting of 5 pulleys is used to raise a load of 400N through a height of 10m. If the work done against
3 answers
asked anonymously
51 views
Whenever you use a inclined plane a. deis ezual to dr b. dris zero, c. deis less than dr, d. de is greater than dr
2 answers
asked by
Bet
786 views
what 3 things would i miss the most if there were no pulleys and gears in the world?
1 answer
asked by
alex
297 views
Is there hidden cost with pulley systems that reduce effort?
3 answers
asked by
JC
247 views
i need to draw an example of a combined pulley
1 answer
asked by
carrie smith
276 views
A particular machine has "mechanical disadvantage". What is the purpose of using such a machine?
1 answer
asked by
Shannon
344 views
Mr. Mist’s ramp broke so he tried to lift the his 150 Newton box of ungraded papers with a pulley system. Mr. Mist had to pull
4 answers
asked by
Kevin
543 views
What type of simple machine would you use if the trees have lost their leaves and you have a lot of them to collect?
3 answers
asked by
Suzy
452 views
What is a double lever?
Is a screw an inclined plane or a wedge or is it both?
1 answer
asked by
Connie Cooly
234 views
How many simple machines are in the following things?
crow bar nutcracker pizza cutter siccors egg beater with a handle
4 answers
asked by
Anonymous
365 views
How many simple machines are in the following things?
crow bar nutcracker pizza cutter siccors
1 answer
asked by
Anonymous
380 views
I am learning about simple machines. What does high gear and low gear in bicycles mean? Please give a simple explanation.
1 answer
asked by
jess
391 views
an adult and a s,all child get on a seesaw that has a movable fulcrum. when the fulcrum is in the middle, the child can't tift
2 answers
asked by
joey
736 views
an adult and a s,all child get on a seesaw that has a movable fulcrum. when the fulcrum is in the middle, the child can't tift
2 answers
asked by
joey
847 views
Which set of pulleys makes it easiest to lift a weight?
The one with the longest rope. The one with the fewest pulleys. The one
3 answers
asked by
Treetard
46 views
on a wheel and axle where would you apply force to increase speed
3 answers
asked by
Treetard
31 views
what is a fulcrum, the effort and the load? also what is a Class 1 lever, Class 2 lever, and Class 3 lever? plz helpp! thanks:)
2 answers
asked by
beeca
665 views
Alex pulls on the handle of a claw hammer with a force of 15 N. If the hammer has a mechanical advantage of 5.2, how much force
1 answer
asked by
Ben
778 views
I need a 20 question and ansawer about simple machine please send me some answer.
5 answers
asked by
Anonymous
192 views
I need help on these problems:
1.This water rising device cosists a simple leaver. 2.Which Egyptain word decribes the word Red
7 answers
asked by
Miley
427 views
Harold uses an inclined plane to move a washing machine from the sidewalk into his house. The vertical distance from the
2 answers
asked anonymously
90 views
We have to use simple machines to light a fire and put it out using only one force. ( turn a crank, pull a string ,ect.) Me and
1 answer
asked by
April
372 views
A SIMPLE MACHINE CAN BE DIVIDED INTO 2 CATEGORIES. WHAT ARE THEY ??
One which increases force, or one which increases distance(or
1 answer
asked by
BRITTANY
363 views
Identify two types of simple machines that are included in a Rube Goldberg machine.
Pick any simple machines: For example, wedge,
1 answer
asked by
Anonymous
441 views
If a simple machine provides an increased output force, what happens to the output distance?
Can someone please help
4 answers
asked by
kevin
3,832 views
The velocity ratio of a machine is 5 and it efficiency is 75%.what effort would be needed to lift a load of 25N with the
5 answers
asked by
Ọnụ
1,717 views
5.
Two people use a ramp to move a heavy box onto a truck. The box weighs 748 N and you exert a force of 187 N to move the box.
7 answers
asked by
Uhhhhhhhhh... Please?
1,715 views
Dan wants to lift his car using a movable pulley system like the one shown in the picture.
Using a movable pulley system will
7 answers
asked by
Lakshmi
1,651 views
Lever, You Find A Smaller Rock, Use As A Fulcrum, You Place It A Meter From Boulder. What Works? """I choose A""""
A)move the
3 answers
asked by
Jenny
1,558 views
A moving company wants to lift a piano to the second story of a house and has three pulley set ups to choose from
1 answer
asked anonymously
31 views
Harold uses an inclined plane to move a washing machine from the sidewalk into his house
1 answer
asked anonymously
53 views
A class __ lever never has a mechanical advantage
A class __ lever always has a mechanical advantage A class __lever could go
1 answer
asked anonymously
44 views
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