Tuesday
December 6, 2016

# Search: fulcrum

Number of results: 148

physical science
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 the adult. How should the fulcrum be moved so the two can seewaw
March 15, 2009 by joey

physical science
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 the adult. How should the fulcrum be moved so the two can seewaw
March 15, 2009 by joey

Science
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 fulcrum rock closer to the boulder b)move the fulcrum rock farther from the boulder c) try using the board without a fulcrum d) try shortening your board
March 4, 2009 by Jenny

math
1. Two children balance a see-saw in horizontal equilibrium. One weighs 80 lb. and the other weighs 60 lb. and is sitting 4ft. from the fulcrum. Find the force the fulcrum applies to the beam and the distance to the fulcrum to the 80 lb. child. (Neglect the mass of the see-saw)
October 29, 2011 by gaurav

math
1. Two children balance a see-saw in horizontal equilibrium. One weighs 80 lb. and the other weighs 60 lb. and is sitting 4ft. from the fulcrum. Find the force the fulcrum applies to the beam and the distance to the fulcrum to the 80 lb. child. (Neglect the mass of the see-saw)
October 29, 2011 by gaurav

math
1. Two children balance a see-saw in horizontal equilibrium. One weighs 80 lb. and the other weighs 60 lb. and is sitting 4ft. from the fulcrum. Find the force the fulcrum applies to the beam and the distance to the fulcrum to the 80 lb. child. (Neglect the mass of the see-saw)
October 29, 2011 by rahul

Science
You Are Out In The Woods And You Need To Move A Boulder That Is In The Way, You Happen To Have A Long 2-by-4 Board With You And You Decide To Use It As A Lever. You Find A Rock To Act As A Fulcrum. Which Of The Following Would Be A Good Thing To Try? I believe the answer is A ...
March 4, 2009 by Jenny

math
A fulcrum of a lever (which is placed horizontally) is placed 8 meters from a force of 28 Newton and another force of 14 Newton is placed on the opposite side from the fulcrum. Determine the distance between the forces of 14 Newton from the fulcrum in order to achieve ...
June 24, 2016 by Honey

math
A fulcrum of a lever (which is placed horizontally) is placed 8 meters from a force of 28 Newton and another force of 14 Newton is placed on the opposite side from the fulcrum. Determine the distance between the forces of 14 Newton from the fulcrum in order to achieve ...
June 27, 2016 by Honey

theory of machine
a differential band brake has a drum of diameter 800mm. the two ends of the band are fixed to the pins on the opposite sides of the fulcrum of the lever at a distance of a=40mm and b=200mm from the fulcrum. the angle of contact is 270 degree and mue = 0.2 .determine the brake ...
August 1, 2012 by raju

Math word problem
I have this word problem that I can't figure out. The problem is: A 15 lb weight is positioned 10 in. form a fulcrum. At what distance from the fulcrum must a 12 lb weigt be positioned to keep the scale balanced? The substitute that I had today said that the 12 lb. weight ...
August 27, 2008 by Tiffany

Physics
If a lever has a mechanical advantage of 6, and the distance from the fulcrum to the load is .05m, how far is it from the fulcrum to the effort? I think I'm supposed to use some sort of kinematics formula, but I'm really confused.
September 27, 2008 by Hannah

Physics
A 100N force acting on a lever 2m from the fulcrum balances an object 0.5m from the fulcrum on the other arm. What is the weight of the object(in newtons)?What is it's mass (in kg)?
January 19, 2015 by Jessica

algebra
To balance a seesaw, the distance, in feet, a person is from the fulcrum is inversely proportional to the person's weight, in pounds. Peter, who weighs 150 pounds, is sitting 3 feet away from the fulcrum. If Joey weighs 90 pounds, how far from the fulcrum should he sit to ...
April 7, 2013 by Alice

physics
A girl of weight 500 N sits 3m from the fulcrum. how far away is the fulcrum on the other side should a force of 600  N be applied to balance the girl
March 28, 2012 by Anonymous

Physics
Your 50 lb sister is seated at one end of a 12 ft teeter totter. If the fulcrum is in the center, what is the moment of her weight? If you weigh 100 lbs, how far from the fulcrum must you sit in order to balance her? (I thought it may be 6 feet)
October 28, 2015 by Angie

physics
a uniform rod 100cm long and weighing 50N is supported on a horizontal position on a fulcrum which weights of 80N and 100N suspended on its ends. compute the position of the fulcrum
March 9, 2013 by nicolyan

physics
Find the force (in newton) required to lift a mass of 26 kg load with a wheelbarrow (2nd class lever) with the load at 0.75 m from the fulcrum and being lifted at 1.7 m from the fulcrum, assuming ideal conditions.
November 17, 2014 by kody

physics
a uniform rod 100cm long and weighing 50N is supported in a horizontal position on a fulcrum with weights 80N and 100N suspended from its end. compute the position of a fulcrum.draw the illustration.
July 4, 2016 by joshua

Algebra
Two children balance on opposite ends of a seesaw. One child weighs 45 pounds and the other weighs 38 pounds. The distance between them is 10 feet. What is the distance of each child from the fulcrum (the center balance point of the seesaw)? (HINT: The product of the distance ...
May 9, 2012 by Cathy

physical science
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 fulcrum (and on the other side) is lifted by the 20-N force. What is the output force? A. 10 N B. 20 N C. 40 N D. 80 N
June 16, 2015 by tetianna

physics
Two people (from the 1950s!) sit on opposite sides of a uniform board of length L. One person, of mass m1 = 50.0 kg, sits at a point 1.90 m to the left of the fulcrum. The fulcrum is located at the center of the board. The other person, of mass 45.0 kg, sits at a point a ...
October 28, 2014 by john

Kinesiology
Joey weighs 77 lb and sits on a seesaw at a distance of 30 inches from the fulcrum. Jenny weighs 67 lb and sits on the opposite side of the seesaw at a distance of 48 inches from the fulcrum. Mikey weighs 30 lb and wants to play but doesn’t know where to sit in order to make...
December 5, 2010 by Jessi

Physics
This is how the problem starts out: A meter stick is placed with the fulcrum at the 50-cm mark. If a 120-g mass is placed at the 25-cm mark and a 25-g mass at the 10-cm mark, where should a 500-g mass be placed to balance the system? I thought that since the two masses (the ...
December 6, 2007 by Emily

math
Two boys weighing 60 pounds and 80 pounds balance a seesaw. How many feet from the fulcrum must the heavier boy sit if the lighter boy is 8 feet from the fulcrum ?
August 15, 2013 by Tomas

Physics
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 should a weight of 17 N be placed on the opposite side in order to balance the system?
July 7, 2014 by Anonymous

college physics
Arthur (mass 78 kg) and Violet (mass 31 kg) are trying to play on a seesaw. If Violet sits 3.6 m from the fulcrum, at what distance from the fulcrum should Arthur sit?
October 13, 2010 by Alexis

Physics
You and your little cousin sit on a see-saw. You sit 0.39 m from the fulcrum, and your cousin sits 1.53 m from the fulcrum. You weigh 620 N. How much does she weigh?
April 4, 2016 by Tim

Physics
Engineering 100 Homework Problem #1 Below is a diagram of a beam supported on the left end by a pin connection, and toward the right side by a simple fulcrum. A force F is applied to the far right end of the beam as shown. The uniform beam has mass, m, length, l, and the ...
September 27, 2011 by Jamie

Science
Please help me. This is the question. A diver weighing 500N is positioned at the right end of a diving board with a length of 4m and negligible weight. The board is bolted down at the left end while being supported 1.5 m away from the fulcrum. a.)Find the forces F1 and F2 that...
September 17, 2016 by Kenneth

SCIENCE
the brachialis is a short stout muscle inserting cloes to the fulcrum of the elbow joint' the brachioradialis is a slender muscle inserting distally, well way from the fulcrum of the elbow joint. Which is a mechanical advantage and which is a disadvantage
November 22, 2011 by Katie

Technology
A boy who weighs 30 kilograms sits on one end of a seesaw. On the other end there is a girl who weighs 20 kilograms. The girl is 1.5 metres from the fulcrum. How far from the fulcrum must be the boy sit in order to balance the seesaw? How far away must the boy sit if the girl ...
November 15, 2016 by Patricia

Physics??
Two children sit 2.60 m apart on a very low-mass horizontal seesaw with a movable fulcrum. The child on the left has a mass of 29.0 kg, and the child on the right has a mass of 38.0 kg. At what distance, as measured from the child on the left, must the fulcrum be placed in ...
December 19, 2010 by starry

Physic
Three balls are attached to a light rigid rod, as shown in the figure. A fulcrum is located at xf = 18.0 cm measured from the left end of the rod. Ball A has mass mA = 65 g and is located at xA = 3 cm. Ball B has mass mB = 12 g located at xB = 22 cm. Ball C has mass mC = 22 g ...
March 3, 2011 by panda

Math
A 40lb child sits at one end of a teeter-totter-totter which is 12 feet long and has the fulcrum in the center. How many feet from the fulcrum should a 60 lb child sit so the teeter-totter will balance?
August 20, 2015 by Maya

torque
A meterstick is found to balance at the 49.7 cm mark when placed on a fulcrum. When a 50.0g mass is attached at the 10.0cm mark, the fulcrum must be moved to the 39.2 cm mark for balance. What is the mass of the meterstick? All of the problems ive been doing i needed to find ...
June 22, 2010 by sar

Physics
A length l, mass M of the rod can freely rotate about the fulcrum O in the vertical plane. A mass of m, velocity v of bullets at a distance within a fulcrum for the incident at the bar, when the maximum deflection angle of the rod 30 ¡ã,find the initial velocity of the ...
November 17, 2015 by Jenny

physics
3. 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 from the fulcrum to the load is 0.250 m. What is the mechanical advantage of the lever? What is the ideal mechanical advantage of the lever? What is...
June 8, 2011 by Tim

physics
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 from the fulcrum to the load is 0.250 m. What is the mechanical advantage of the lever? What is the ideal mechanical advantage of the lever? What is ...
June 8, 2011 by Tim

science
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 from the fulcrum to the load is 0.250 m. What is the mechanical advantage of the lever? What is the ideal mechanical advantage of the lever? What is ...
June 8, 2011 by Anonymous

PreCalculus
Two children are playing on the seesaw. THe lighter child is 9 feet from the fulcrum, and the heavier child is 6 feet from the fulcrum. As the lighter child goes from the ground to the highest point, she travels through an angle of 35 degrees in 1/2 second. a. find the angular...
November 19, 2007 by John

PRECALC HELP!!
Two children are playing on the seesaw. THe lighter child is 9 feet from the fulcrum, and the heavier child is 6 feet from the fulcrum. As the lighter child goes from the ground to the highest point, she travels through an angle of 35 degrees in 1/2 second. a. find the angular...
November 19, 2007 by John

physics
Susie and Sally are seated on opposing sides of a seesaw. Sally weighs 500 N and is seated a distance of 2 m from the fulcrum (point of rotation). Susie weighs 450 N and is seated a distance of 2.5 m from the fulcrum. Who is being lifted upward?
March 20, 2013 by Jessica

Physics*
A meter stick is found to balance at the 49.7-cm mark when placed on a fulcrum. When a 70.0-gram mass is attached at the 16.0-cm mark, the fulcrum must be moved to the 39.2-cm mark for balance. What is the mass of the meter stick? Answer in grams
October 20, 2011 by Allie

PHYSICS
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 it is grasped at the end, and the box is located at the opposite end, the fulcrum, with its center of gravity at a distance of 0.5 m from the fulcrum...
March 6, 2011 by DMITRIC

PHYSICS
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 it is grasped at the end, and the box is located at the opposite end, the fulcrum, with its center of gravity at a distance of 0.5 m from the ...
March 7, 2011 by CHRIST

physics
A small 5.00 kg brick is released from rest 3.00 m above a horizontal seesaw on a fulcrum at its center, with a radius of 1.60 m. Find the angular momentum of this brick about a horizontal axis through the fulcrum and perpendicular to the plane of the figure the instant the ...
November 2, 2009 by AE

Calculus
The seesaw principle: As you probably know, any two persons can balance each other when sitting on opposite sides of a seesaw, regardless of their weights. It is only necessary that each person contribute the same moment â€” calculated by multiplying the personâ€™s ...
April 8, 2012 by chamy

physics
Two children seat themselves on a seesaw, the one on the left has a weight of 400N whlie the one on the right weighs 300N. The fulcrum is at the midpoint of the seesaw, if the child on the left is not at the end but is 1.5m from the fulcrum, and the seesaw is balanced, what is...
November 9, 2010 by James

Physics
A boy with a mass of 40kg is seated a distance of 3.0m from the fulcrum of a seesaw. a. Calculate the load force exerted by the boy (Hint: What force is pulling him down?) b. Calculate the torque exerted by the boy. c. If his sister with a mass of 24 kg wants to balance the ...
April 28, 2016 by Rick

physics
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 from the fulcrum to the load is 0.500 m. A graph of resistance force vs. effort force is shown. What is the mechanical advantage of the lever? What is ...
March 20, 2013 by Rachel

physics
A small 5.00kg brick is released from rest 2.00m above a horizontal seesaw on a fulcrum at its center, as shown in the figure below . (radius of horizontal seesaw is 1.6m) a.)Find the angular momentum of this brick about a horizontal axis through the fulcrum and perpendicular ...
December 15, 2009 by Anonymous

Physics
A man pulled a nail our of a board with a crowbar. The nail was 2 in. from the fulcrum of the crowbar, and the effort applied was 36 in. from the fulcrum. If the theoretical effort applied was 10 lb., what was the force of friction between the board and the nail? How far did ...
June 23, 2008 by Kayla

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 it is grasped at the end, and the box is located at the opposite end, the fulcrum, with its center of gravity at a distance of 0.5 m from the fulcrum...
March 9, 2011 by DMITRIC

physics
A meter stick is found to balance at the 47.3cm mark when placed on a fulcrum. When a 45.7g mass is attached at the 10.5cm mark, the fulcrum must be moved to the 38.5cm mark for balance. What is the mass of the meter stick?
July 29, 2015 by Mishaal

physics
A uniform, 264-N rod that is 2.05 m long carries a 225-N weight at its right end and an unknown weight W toward the left end. When W is placed 47.9 cm from the left end of the rod, the system just balances horizontally when the fulcrum is located 82.7 cm from the right end. ...
April 2, 2013 by Matt

physics
A fulcrum is placed under the center of a uniform 4.00m long, 3.00kg board. Child A has a mass of 42 kg. This child sits on the left end of the board; Child B has a mass of 26kg. Child B sits on the right end of the board. Where should child C (mass 21 kg) sit in order to have...
November 4, 2012 by Joe

A homeowner is trying to move a stubborn rock from his yard which has a mass of 1025 kg. By using a lever arm (a piece of wooden board) and a fulcrum (or pivot point) the homeowner will have a better chance of moving the rock. The homeowner places the fulcrum 24.4 cm from the ...
November 25, 2012 by Mike

HELP! - Physics
I need help with this. A frustrated farmer is trying to move a large rock from his land. The stone has a mass of 1275 kg. By using a piece of board as a lever and a fulcrum the farmer will have a better chance of moving the rock. The farmer places the fulcrum 0.288 m from the ...
October 28, 2014 by Johnny

Science (simple machines)
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) If the fulcrum were placed in the centre of the plank, what downward effort would the man on the right need to apply to raise the box? (b) If the man...
June 10, 2012 by Kate

Physic
an "extended object" is in balance when the center of mass is located directly over the fulcrum. By using a test mass mT placed at various points xT on the object (as measured from some fixed reference point), a linear relationship between xT and the fulcrum location xF is ...
March 3, 2011 by panda

physics
A NON-UNIFORM board of length L and mass M has a center of mass at 5/6L. If the fulcrum is placed at the center of the board and a block of mass m is placed at the right of the board, then where must a block of mass 3m be placed to balance the board? I assumed new variables ...
November 15, 2012 by min

PHYSICS
Particles 1 and 2, each of mass m, are attached to the ends of a rigid massless rod of length L1 + L2, with L1 = 19 cm and L2 = 75 cm. The rod is held horizontally on the fulcrum and then released. What is the magnitude of the initial acceleration of particle 1? What is the ...
March 24, 2007 by Calvin

Physics
1. Suspend the meter stick by a string from its center. 2. Notice carefully where it balances. It probably will not balance exactly at 50 cm. All distances must be measured to this point (called the fulcrum). 3. Hang a 200 g mass on one side and a 50 g mass on the other and ...
January 1, 2013 by Marilyn

Physics
1. Suspend the meter stick by a string from its center. 2. Notice carefully where it balances. It probably will not balance exactly at 50 cm. All distances must be measured to this point (called the fulcrum). 3. Hang a 200 g mass on one side and a 50 g mass on the other and ...
January 2, 2013 by Marilyn

math
To balance a see saw how do you figure how far from the fulcrum should you put the weight.
January 11, 2012 by Kim

Math
Suppose a child is sitting 5 feet from the fulcrum. Where does a 175 pound adult need to sit for the seesaw to be balance?
August 7, 2014 by Anthony

Science
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?
February 17, 2012 by Micheal

Physics
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?
February 17, 2012 by Micheal

Physics
Bob (200kg) and Sally (40kg) want to make a see saw that will balance when they are both on 8it. If the board they have is 5m long, where should the fulcrum be placed?
September 27, 2008 by Hannah

physics
Forces of 1,5,3, and F newtons are applied to a weightless board that rests on a fulcrum. The board doesn't rotate-what's the magnitude of the force F?
May 24, 2012 by Jen

Math
For a seesaw that 14 ft long, where should the fulcrum be placed to balance a 204 lbs adult and a 81.6 lbs child?
April 24, 2013 by Brittany

Physics
Two pans of a balance are 50cm apart. If the fulcrum is displaced by 1cm what percentage is the true weight marked up? the answer i got was 1.3%, please help if wrong (which it probably is).
December 10, 2010 by ralph

Physics
If a lever is 6 feet long and the fulcrum is six inches from a 500 N boulder, how many newtons of force would be needed to life the boulder?
March 17, 2012 by Alex

Physics
Suppose the mass of the stick is 200 g, and a single 500-g mass is to play "solitary seesaw" at the 0-cm mark. Where should the fulcrum be located?
May 18, 2014 by James Lee

geometry
A 30-lb child is siting at A(2,3) and a 50-lb child is at B(12,7) where units are feet .Find the point P between A and B which could be used as the fulcrum of a teeter board putting the two children in equilibrium. 30 AP=50 PB or (AP/PB)=5/3
August 23, 2011 by neil

science
what force must be applied to the end of a 2.0 meter long crowbar in order to lift a 500 Newton rock if the fulcrum of the bar is 0.5 meters from the rock?
October 24, 2012 by rowena

physics
A small girl of weight 150N is placed on the centre of the plank. She then walks to the right and goes past trestle Q. When the plank is on the point of tipping up, where will the fulcrum be?
October 20, 2014 by Donte

physics
A force of 300N lifts a mass of 120kg with help of lever whose length is 2.4 m.The distance between fulcrum and mass is a) 40cm b) 48cm c) 80cm d) 171cm
November 6, 2016 by Ghulam muhammad

physics
. A 90cm uniform lever has a load of 30N suspended at 15cm from one of its ends. If the fulcrum is at the centre of gravity, calculate the force that must be applied at its other end to keep it horizontal
September 27, 2014 by uchenna

integrated physics and chemistry
If the torques on a lever are not equal, the lever will rotate about the fulcrum. i cant find the answer to this anywhere in the lesson. it is a true/false statement. can someone help me?
January 12, 2011 by Nella

physics
a lever is 5 m long. The distance from the fulcrum to the weight to be lifted is 1 m. If a 3000 N rock is to be lifted, how much force must be excerted on the lever?
January 21, 2009 by lulu

Math
How many meters from the fulcrum to the applied force would allow a 100 newton weight to be lifted using only 10 newton of force?
April 28, 2016 by Guy

physics
two small kids weighing 10kg and 15kg are trying to balance on a seesaw of total length 5 m with the fulcrum at the centre. if one of the kids is sitting at an end where should the other sit?
August 22, 2015 by anonymous

Science
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 applied to the other end of the crowbar to balance it?
July 30, 2016 by Anjana Subedi

Geometry
A 40lb child is sitting at A(2,3) and a 30lb child is at B(12,7) where units are feet. Find the point P between A and B which could be used as the fulcrum of a teeterboard putting the two children in equilibrium(Hint:40AP=30PB)
July 31, 2016 by Vince

Mechanics & hydromechanics
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 weight at the other end?
January 16, 2013 by joe

Physics
1. Does the center of gravity coincide with the fulcrum? Why? 2. why does a meter stick balance if the moments in one side equals the moment on the right side? 3. When do you solve for percent difference? Percent error?
April 6, 2016 by help me please

Physics
A 10-ft,25lb seesaw is balanced by a little girl with a weight of 50lbs and her father with a weight of 200lbs at opposite ends. How far from the seesaw's center of mass must the fulcrum be placed?
September 19, 2016 by Hana

Phycis
Two kids of mass 10 kg and 15 kg are trying to balance a see saw of total length 6 metres with fulcrum at the centre if one of the kid is sitting aat on end the distance of other from the centre in metres is
January 11, 2015 by Anonymous

Physics
A man uses a crowbar 1.5 meters long to lift a rock weighing 600N (Newtons). If the fulcrum is 0.50 Meter fromthe end of the bar touching the rock,how much effort The man should apply?
August 20, 2016 by Hasan nagra

physics
. 0.30m ....|______|_________________________ ....|...../\ ...|_| <-- box with unknown mass In the figure, the meterstick's mass is 0.200 kg and the string tension is 2.50 N . The system is in equilibrium. Find the (a) unknown mass m and (b) the upward force the fulcrum ...
March 6, 2016 by lizbeth

physics
Mary and John are on opposite sides of a seesaw. Mary has 3x the mass of John. If Mary is sitting at a distance of .5m from the fulcrum, how far must John site in order to keep it balanced.
October 27, 2010 by help

physics
if a 200-g mass is placed at the 20-cm mark (30 cm from the fulcrum), at what mark should a 500-g mass be placed so that the system balances?
September 12, 2011 by ivory

physics
3. A house wife uses “a fire tong pair” of length 20cm to lift a piece of burning coal of mass 200gm. If she applies force at a distance of 5cm from the fulcrum, what is her effort? If the efficiency of the fire tong is 100% . find it M.A and V. R.
February 4, 2016 by paresh Ghosh

Physics
A house wife uses “a fire tong pair” of length 20cm to lift a piece of burning coal of mass 200gm. If she applies force at a distance of 5cm from the fulcrum, what is her effort? If the efficiency of the fire tong is 100% . find it M.A and V. R.
February 11, 2016 by paresh

Physics
A man uses a crowbar 1.5 meter long to lift a rock weighing 600 newton. If the fulcrum is 0.50 meter from the end of the bar touching the rock, how much effort must the man apply?

physics
A 1-kg rock is suspended from the tip pf a uniform meter at 0 cm mark so that the meter stick balances like a see-saw when the fulcrum is at 20 cm mark. what is the mass of the meter stick?
December 1, 2016 by tim

Physics
A uniform of 100N pipe is use as a lever. When must the fulcrum (supported point) be placed if a 500N weight at one end to balance a 200N weight at the other end? How much load must support (S) hold?
August 31, 2015 by Dave Ang

SCIENCE!!
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:)
February 8, 2009 by beeca

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