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Simple Machines
Page 4
Questions (1,017)
Which example represents a class 2 lever?
a car door being opened and shut***** tweezers plucking hairs salad tongs picking up
5 answers
asked by
htsrhtdyjy
1,527 views
How does a pulley make work easier when it is used to lift an object?
It reduces the weight of the object being lifted. It
4 answers
asked by
Subzero
1,021 views
. An inclined plane which makes slopes at 37° is used to raise a 10kg object to an If the efficiency of the machine is 80%.
1 answer
asked by
GADISA
255 views
How do simple machines make work easier?
1 answer
asked by
Subzero
484 views
A student uses a pulley to lift a log. In 1-2 sentences, explain how she can calculate the pulley's efficiency.
1 answer
asked by
Toast
302 views
Which statement is not true of simple machines?
A.They can change the amount of work done on an object. B.They can change the
8 answers
asked by
Joseph
3,038 views
Pulleys and Inclined Planes Quick Check
1 of 41 of 4 Items Question Use the picture to answer the question. An illustration shows
4 answers
asked by
who dat
789 views
A load of400N is raised 2M by a machine in which an effort of 200N moves 5M. Culculate the efficient of the machine.
3 answers
asked by
Amani
1,056 views
How can you calculate the mechanical advantage a simple machine provides
divide the output displacement by input displacement
4 answers
asked by
?
287 views
Name 6 types of simple machines that make work easier AND an example of each
1._____ 2._____ 3._____ 4._____ 5._____ 6._____
4 answers
asked by
me
743 views
What is the effect of using an inclined plane?
A.) The object can be lifted with less force. B.) The object can be lifted while
4 answers
asked by
goodog
451 views
A construction worker uses a board and log as a lever to lift a heavy rock. If the input arm is 5 meters long and the output arm
1 answer
asked by
kali
108 views
A pulley revolving at 200 revolutions per minute has a diameter of 15 inches. It is belted to a second pulley which revolves at
4 answers
asked by
Tomas
1,186 views
were doing simple machines and on my paper it shows a door knob What simple machine is that ( lever,wedge etc.) And my sec que
5 answers
asked by
elise
818 views
A simple machine has an efficiency of 0.75 & a VR of 12.determine the MA & load that can be moved if an effort of 100N is
7 answers
asked by
SMEGN
2,786 views
In a machine ,a load of 160Newton is lifted up by an effort of 25Newton.the velocity ratio is 8,what is the efficiency of the
5 answers
asked by
Jimoh Abdul rasheed
1,027 views
A pulley system has an efficiency of 87.5%. How much rope must be pulled if a force of 648N is needed to lift a 105 kg desk
4 answers
asked by
Mason
2,531 views
A MACHINE HAS A VELOCITY RATIO OF 5 HAS AN EFFICIENCY OF 40.WHAT EFFORT WOULD BE NEEDED TO LIFT A LOAD OF 100N?
7 answers
asked by
JAMES HARUNA
4,855 views
A simple wheel and axle is used to life a bucket out of a well. The radii of the wheel and axle are 20 cm and 4 cm,
7 answers
asked by
Eleni
1,893 views
the handle of the screw jack is 35cm long and the pitch of the screw is 0.5cm.what force must be applied at the end of the
5 answers
asked by
domy
1,498 views
A screw jack has 90 threads tothe metre. the effort is applied at the end of an arm 20cm long whatforce must be applied to lift
7 answers
asked by
JOHN
1,502 views
a scrow jack whose pitch is 2mm is used to raise a motor car of mass 900kg through a height of 200cm the length of the tommy bar
5 answers
asked by
Na'anshep k.peter
1,476 views
A weight of 31 N is located a distance of 10.8 cm from the fulcrum of a simple balance beam. At what distance from the fulcrum
4 answers
asked by
Anonymous
2,521 views
if a person exerts 250n force to lift a 1250n object using a simple machine, what is the mecahnical advantage of the machine
4 answers
asked by
Anonymous
633 views
A simple machine able to move a400N load a distance of 20cm when a firce of 20N is move through a distance of 5m calculate
9 answers
asked by
Anonymous
855 views
A screw Jack has 90 threads to the meter. The effort is applied at the end of an arm 20cm long. What force must be applied to
4 answers
asked by
Charity
641 views
A simple lever is used to lift a heavy load. When a 58-N force pushes one end of the lever down 1.1 m the load rises 0.14 m. How
3 answers
asked by
Jennifer
780 views
A block and tackle system of 5 pulleys is used to raise a load of 50kg through a height of 20m the work done against friction is
3 answers
asked by
Mohamedy
980 views
Pulleys and Inclined Planes Quick Check
15 answers
asked by
Ray
759 views
which kind of inclined plane pushes up more steeper or flatter? what do you think causes this?
6 answers
asked by
luke
2,451 views
A man uses a lever jack to lift a 2.00 × 10^3 kg car to change a tire. Each stroke of the jack lifts the car a distance of 5.00
4 answers
asked by
Grace
2,071 views
the input and output of hydraulic jack are respectively 1 cm and 4 cm in diameter. A lever with a mechanical advantage of 6 is
4 answers
asked by
Owen
2,529 views
The tab is a simple machine. What is the mechanical advantage of the tab?
a 0.3 b 20.0 c 3.0 d 10.0
4 answers
asked by
FF
165 views
A person is lifting a heavy box using a lever. What is the purpose of the lever in this situation?
4 answers
asked by
Subzero
1,121 views
A hydraulic jack has an input piston that is 1.2 cm2 in area and an output piston that is 144 cm2 in area. How much input or
4 answers
asked by
DariaV
2,350 views
A person uses a screwdriver as a lever to open a can of paint. Where is the fulcrum in this situation?
4 answers
asked by
Thee
235 views
Pulleys and Inclined Planes Quick Check
1 of 41 of 4 Items Question Use the picture to answer the question. An illustration shows
13 answers
asked by
who dat
742 views
While lifting a load of 200N using lever an effort of 80N moved through a distance of 20cm to lift the load through a distance
6 answers
asked by
Baraka
947 views
A block and tackle system of 5 pulleys is used to raise a load of 500N steadily through a height of 20m.The work done against
3 answers
asked by
Thomas
1,956 views
what is the minimum effort required to raise a load of 5kg in an ideal pulley system taking gravity to be 10m/s/s
4 answers
asked by
francis
1,862 views
1. 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
4 answers
asked by
Ben
1,090 views
For the following simple see-saw calculate: 1 the load that could be lifted
4 answers
asked by
Techan Eshetu
128 views
Which equation can you use to calculate the mechanical advantage of a simple machine?
MA=Δxi×Δxo MA=Δxi−Δxo MA=ΔxoΔxi
3 answers
asked by
Kellz
108 views
A weight machine _____.
A.decreases the amount of input force required B.increases the input distance C.changes the direction of
4 answers
asked by
Joseph
1,348 views
In using a pulley system, an effort of 100N is needed to raise steadily a load of 800N (a) what is the mechanical advantage?.
Dat
3 answers
asked by
Victor
1,018 views
A screwdriver with a 1-cm shaft and a 4-cm handle is used to tighten a screw, what is the ima?
4 answers
asked by
Liam
2,589 views
A pulley system is used to lift a piano 2.6 m. If a force of 2510 is applied to the rope as the rope is pulled in 14 m, what is
4 answers
asked by
Becky
1,727 views
How does the pulley make work easier?
a It changes the mass of the piano, making it easy to raise b It changes the direction of
3 answers
asked by
kali
190 views
Determine the effort required to lift aload of 100N using a single movable pulley.
3 answers
asked by
Frenk
138 views
What is accomplished by this simple pulley
4 answers
asked anonymously
515 views
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