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Levers
Page 2
Questions (260)
A workman uses a crowbar to lift a manhole cover. The distance from the end of the crowbar where the workman pushes the crowbar
3 answers
asked by
lion
409 views
Two boys each of mass 10kg sit at a distance 1.5metres from a pivot of a seasaw. If another boy of mass 30kg sit at the distance
4 answers
asked by
Ande2
792 views
A crowbar is 4.000 metres long and has its pivot 50.000 centimetres from one end. A force of 2000.000 newtons is applied to the
3 answers
asked by
Tom
740 views
A lever has a 9-N load 1.5m from the fulcrum. Where should a 0.5N effort force be applied to balance the load?
3 answers
asked by
Micheal
1,227 views
alever is used to lift a heavy load. when a to-n force pushes one end of the lever down 1.2m the load rises 0.2m. show the
4 answers
asked by
hattie
1,568 views
In the first class lever,theload is placed
A on the effort B. Between the affort arm and pivot C. At one end of the load arm D.
2 answers
asked by
Pomaa
40 views
A fixed point of a lever at which turning takes place is the
A. Pivot B. Effort C. Load D. Handle
2 answers
asked by
Pomaa
23 views
What are statements about second class lever
2 answers
asked by
Pomaa
21 views
What is the definition of the following term?
Dilute the support or point on which a lever turns a device which makes work easier
1 answer
asked by
J
78 views
When force arm & resistance arm are equal in length, a force to the resistance is required to balance it
1 answer
asked by
Student
62 views
A lever has a mechanical advantage of 4. If you apply a force to the machine with a mass of 4 kg, at an acceleration of 2 m/s/s,
1 answer
asked by
A
128 views
A lever has a mechanical advantage of 4. If you apply a force to the machine with a mass of 4 kg, at an acceleration of 2 m/s/s,
1 answer
asked by
A
153 views
What is the mechanical advantage of the class 1 lever where Input = effort and Output = load.
a 12.5 b 67.5 c 2 d .5 e 4050
1 answer
asked by
A
159 views
A wheelbarrow can be used to help lift a load and push the load across a distance. The fulcrum is located at the opposite end
1 answer
asked by
A
188 views
What is the mechanical advantage of the class 1 lever?
Input = Effort Output = Load a 6 b 60 c 21,600 d .00138 e 216
1 answer
asked by
X
94 views
A class two lever is where the fulcrum is located at one end and the force applied is at the opposite end.
True False
1 answer
asked by
X
89 views
What is the advantage of class 3 lever?(1 point)
Responses It increases the mechanical advantage compared with other levers. It
1 answer
asked by
the real BARNY THE DINO :)
131 views
A lever with an effort arm of 10 meters and a load arm of 2 meters is used to lift an object weighing 220 Newtons to a height of
1 answer
asked by
X
121 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 by
jorgia
273 views
Lever has mechanical advantage of 4 ,it's input arm is 60centimetres long.How long is it's output
1 answer
asked by
Addmore
75 views
A machine has a velocity ratio of 6 is 75%efficient. What effort would be needed to lift a load of 300N with the aid of this
1 answer
asked by
Kenzie
135 views
The mechanical advantage of a lever system is 3 and the load is 30,determine the effort required to lift the load
1 answer
asked by
Coteny
83 views
[7/20, 10:59 PM] Shanice: A crow bar 1,5 m long is used to lift a 100kgs of rock out of a hole 25cm deep lf e crow bar pivot is
1 answer
asked by
Malon
131 views
a lever has MA of 30 and VR 3.5 ,if the effort 3.5N. Calculate : 1. The load.
2. Efficiency
1 answer
asked by
peter
110 views
. A weight W is to be raised by means of a lever with the force F at one end and the point of support at the other. If the
1 answer
asked by
Gerardo
317 views
John weighs 90 lbs and Jane weighs 60 lbs. They are both seating on a seesaw with John sitting 4ft away from the center. How far
1 answer
asked by
ROAR
361 views
crowbar ,1.5m long is used to lift a 100kg rock out of a hole 25cm deep.If the crowbar pivots 50cm from one end ,what is the
1 answer
asked by
Charity
304 views
A girl who sat 2.5 metres away from the fulcrum of a seesaw is balanced by her aunt weight 65kg sitting 1.5 metres from the
3 answers
asked by
Faith
409 views
A father and his child are playing on a see-saw that is 8 m long.The father weighs 80 Kg and the child weighs 40 Kg.Where would
1 answer
asked by
nicky
433 views
If you use a 29m second-class lever to lift a 1000 N load exactly in the middle of the lever, and you lift the lever 1.5m high,
1 answer
asked by
Ainsley
409 views
Which example represents a class 2 lever?(1 point)
Responses a screwdriver opening a paint can a screwdriver opening a paint can
10 answers
asked by
Answer
172 views
An input force of 20 newtons is applied to a lever at a distance of 2 meters from the fulcrum. An object 0.5 m away from the
7 answers
asked by
tetianna
826 views
Lever is 15 feet long rock is 150 lbs folcrum is 12 feet from the rick how much force is exerted
1 answer
asked by
Anonymous
366 views
If a 100 kg adult sits on a first class lever 2.3 meters away from the axis of rotation...how far back do I need to sit (145
1 answer
asked by
Anonymous
362 views
A uniform 98 N pipe is used as a lever. Where the fulcrum must be placed if a 504 N weight at one end is to balance a 192 N
1 answer
asked by
joe
385 views
A crowbar lever , with a 3 inch long nail remover connected to a 20inch handle. If you push down on the handle end with a force
3 answers
asked by
Anonymous
519 views
A crowbar lever , with a 3 inch long nail remover connected to a 20inch handle. If you push down on the handle end with a force
1 answer
asked by
Anonymous
416 views
The plank is 3.6 metres long. It is being used as a lever to lift a 40-kilogram box. This represents a load of 400 newtons.
(a)
1 answer
asked by
Kate
466 views
Which list correctly orders effort (E), fulcrum (F), and load (L) for each lever class?(1 point)
Responses class 1 = L, F, E (or
3 answers
asked by
Answer
131 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
346 views
A crowbar is used to wrench open a wooden crate. The crowbar is situated so that a point 8 cm from the end digging into the box
1 answer
asked by
Paige
427 views
A box is lifted with a pry bar, by slipping the bar under the box and lifting up on the bar. If the pry bar is 2m in length and
4 answers
asked by
DMITRIC
1,078 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
653 views
A child with a mass of 17 kg sits at a distance of 1 m from the pivot point of a seesaw. Where should a 15 kg child sit to
3 answers
asked by
Jessica
1,432 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
41 views
Ali and his father sit at the ends of a see-saw, 2 m from the pivot, as shown in figure 5.12. Where should ali's mother sit in
4 answers
asked by
Fiesta
1,244 views
A man lifts various loads with the same lever. The distance of the applied force from the fulcrum is 2.00 m and the distance
1 answer
asked by
Rachel
1,153 views
A uniform plank of length L leans against a vertical wall, its head a distance h above the horizontal ground. If we let go of
1 answer
asked by
OPTIPLEX
1,047 views
a child with a mass of 29 kg sits at a distance of 4m from the pivot point of a seesaw. where should a 15 kg child sit to
2 answers
asked by
nicole
1,022 views
A crowbar ,1.5m long is used to lift a 100kg rock out of a hole 25cm deep.If the crowbar pivots 50cm from one end ,what is the
1 answer
asked by
mimi
1,023 views
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Parent Categories (13)
Forces
Forces and Work
Machines
Mechanical Advantage
Mechanical Physics
Mechanical principles
Mechanical Systems
Mechanics
Mechanics or Simple Machines
Physics
Physics or Mechanics
Simple Machines
Statics