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Simple Machines
Page 8
Questions (998)
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
41 views
A simple machine increases the distance that a force needs to be applied from 3 meters to 27 meters and the work done is 216
1 answer
asked anonymously
60 views
How can a simple fixed pulley make a job easier
1 answer
asked anonymously
70 views
• Introduce the context. The ball launcher and how it works
• Identify the type of lever the ball launcher is and how changes
1 answer
asked anonymously
76 views
you read about a rope and pulley machine that was able to produce equal amounts of output work. was this a realistic example why
1 answer
asked by
ricardo
1,213 views
A fixed, single pulley that is used to lift a block does which one of the following?
A. doubles the force required to lift the
3 answers
asked by
Cassie
1,200 views
A system of pulleys is used to lift a load of 1000kg.if the efficiency of pulley system is 80%and velocity ratio is 20,find
2 answers
asked by
Anonymous
1,128 views
a construction wo4rker uses a board and log as a lever to lift a heavy rock. If the input arm is 3 meters long and the output
2 answers
asked by
Kayleigh
1,129 views
A student uses a bottle opener to find that a force of 15 N must be exerted to lift a cap 1.4mm. The opener has a velocity ratio
4 answers
asked by
Mohammedabbas
1,152 views
A pulley system lifts a 500-lb block 1.0 foot with an effort of only 50 lb. If the 50 lb moves 30 feet, calculate the efficiency
2 answers
asked by
Isis
1,027 views
How much can be lifted using 2kg of effort using a jack screw with a 45cm handle and a 1/3 cm screw pitch?
Please show me the
3 answers
asked by
Logan
1,014 views
1)a man uses a rope to haul a load of 750n up an wooden inclined plane of effective length 4.50m,1.5m high,the fractional force
3 answers
asked by
King Sọlọmọn
1,008 views
A turnbuckle is needed to apply an 8kN force on a cable. If the efficiency of the turnbuckle is 40% and the force applied is
1 answer
asked by
Henri
1,017 views
a man lifts various loads with the same lever. The distance of the applied force from the fulcrum is 2.50 m and the distance
2 answers
asked by
archie
998 views
A machine of velocity ratio 5,an effort 500N was applied,efficiency 80%,determine the load
3 answers
asked by
Precious
985 views
A jack has a lever arm of 45cm and pitch of 0.5cm. If it's efficiency is 30%,what force is required to lift a load W of mass
4 answers
asked by
Majiri
962 views
when you want to pull downward to lift something, the main advantage of passing a rope upward and through a single pulley,
2 answers
asked by
kristi
954 views
Introduce the context. The ball launcher and how it works
Identify the type of lever the ball launcher is and how changes the
1 answer
asked by
?
33 views
A boy exerts a force of 210 N on a lever to raise a 1.25 103 N rock a distance of 12 cm. If the efficiency of the lever is
2 answers
asked by
PhysicsCrazy<3
888 views
If you were to move the load by applying force from the top, what kind of machine might be the most appropriate to lift the load
2 answers
asked by
Jane
877 views
Which statement best explains how a ramp makes it easier to move a heavy object over a certain distance?
It decreases the amount
3 answers
asked by
katherene
872 views
A hydraulic jack in a gas station lifts a 900kg car a distance of .25cm
When a force of 150N pushes a piston through a distance
1 answer
asked by
corey
873 views
A man lifts various loads with the same lever. The distance of the applied force from the fulcrum is 1.00 m, and the distance
2 answers
asked by
Tim
837 views
Does a pizza cutter have a second class or third class lever?
2 answers
asked by
Anonymous
821 views
A crow bar of length 2m is used to lift a stone of weight 200kg if the fulcrum is set apart from stone how much effort should be
2 answers
asked by
Anjana Subedi
1,168 views
A machine has an IMA of 6.0 and an AMA of 5.0. What is the work input needed by the machine to raise a 40 kg load by 3.0 m?
1 answer
asked by
Gabr
768 views
*Note that I most likely will have more questions throughout the day
An object that moved as a result of a machine working is
3 answers
asked by
Anonymous
772 views
Remember, the treadmil is a machine. What is the inpput force exerted by the man inside the whill?? what is the output force
2 answers
asked by
cam
533 views
A machine with a velocity ratio of 30 moves a load of 3000N when an effort of 200N is applied. The efficiency is?
3 answers
asked by
Olushola
766 views
I need an idea of a simple machine to build that is useful... I can't find any though.
1 answer
asked by
Livi
716 views
A man lifts various loads with the same lever. The distance of the applied force from the fulcrum is 1.00 m, and the distance
2 answers
asked by
Anonymous
765 views
A machine has velocity ratio of 5 and is 60% efficient. What effort would be needed to lift a load of 200N with tge aid of this
3 answers
asked by
Selasi
683 views
The efficient of a single fixed pulley is 80% find its mechanical advantage
2 answers
asked by
Silas
662 views
A Screw Jack With Pitch Of 0.2cm And Handle Of Length 50cm Is Used To Lift A Car Of Weight 12000N the efficiency of screw is
2 answers
asked by
Qwizny
658 views
A wheel and axle arrangement has an axle with a diameter of 25cm. A rope is wrapped around the axle and is supporting a load of
2 answers
asked by
Danny
667 views
A load of 2 tonnes is raised with 10N efforts. Calculate the mechanical advantage of the machine with which the load is raised?
2 answers
asked by
David Cameron
637 views
a block and tackle with a velocity ratio f 5 is used to raise a mass of 25kg through a vertical distance of 40cm at a steady
3 answers
asked by
tobiloba
639 views
A frictionless inclined plane of inclination 53 degree is used as a machine.what is the efficiency of the machine?
3 answers
asked by
Beemnet ameha
626 views
A block and tackle with a velocity ratio of 7 is used to raise a mass of 50kg through a vertical distance of 800mm at a steady
2 answers
asked by
Aaron
638 views
a man has only 4 simple pulleys to lift a heavy load of 6000N. in roder to lift the load easily, he combines the pulleys (3
5 answers
asked by
ashlee
655 views
A block and tackle system with six pulley system on which an effort of 50N is just able to lift a load of weight W.if the
2 answers
asked by
Olushola
594 views
An effort force of 60N is applied to rise a load 100N. If the load is carried
through a distance of 20m and the effort moves
2 answers
asked by
saron
593 views
Why is a pizza cutter handle a lever?
2 answers
asked by
Annie
582 views
a mechanic uses a chain and bloc pulley to lift a 875-kg engine 4.0 m to the top of the garage. the downward force on the chain
2 answers
asked by
tyler
613 views
What simple machines are in a skateboard?
2 answers
asked by
Anonymous
581 views
Suppose you are pulling a wagon with th handle at an angle.how can you make your task easier
2 answers
asked by
Devon
583 views
Which type of simple machine reduces the amount of input force needed?
ramp chopsticks hockey stick weight machine
2 answers
asked by
James
571 views
farm machine has a velocity ratio of 12 and an actual mechanical advantage of 10.calculate the work input of the machine if it
3 answers
asked by
Anonymous
552 views
A block and tackle with a velocity of 5 is used to raise a mass of 25kg through a vertical distance of 40cm at a steady rate,if
2 answers
asked by
happiness
564 views
A bucket of weight 72 N is lifted from a well by the wheel and axle system shown below:
If the diameter of the circle of the
2 answers
asked by
Latevi
590 views
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