# physics

A 50 foot see-saw has 4 kids sitting on it. A 62 lb. girl sits on the left end, with a 76 lb. girl sitting 2.5 feet in front of her. On the right side, a 96 lb. boy sits on the end and has another boy sitting 2.5 feet in front of him. How much does this other boy weigh?

1. 👍 0
2. 👎 0
3. 👁 158
asked by Marina
1. balance the torques.

62(25) + 76(25-2) = 96(25) + x(25-2.5)

Now just solve for x

1. 👍 0
2. 👎 0

## Similar Questions

1. ### JOB

WHY CAN`T KIDS WORK Kids do a lot of work. They do their school work and help with chores around the home. Some kids who live on farms also help their families with the farm work. Some teenagers earn money by baby sitting or doing

asked by KENDELISHA on October 13, 2006
2. ### science

boy 40kg sits 2m from a pivot.find the weight girl who can balance sitting 3.2m from pivot

asked by Anonymous on April 20, 2017
3. ### physics

A boy of mass 40kg sits at point of 2.0m from the pivot of see saw . Find the weight of a girl who can balance the see saw by sitting at a distance of 3.2 m from the pivot . (Take g = 10 Nkg-1)

asked by fredrick on June 2, 2019
4. ### physics

A girl sits on a tire that is attached to an overhanging tree limb by a rope 2.13 m in length. The girl’s father pushes her with a tangential speed of 2.92 m/s. Besides the force opposing the girl’s weight, the magnitude of

asked by hunter on December 10, 2015
5. ### physics

a. boy. of. mass. 40kg sits. at. point of 2 .0metres from. the pivot. of a sea saw. find the weight of a girl. who can balance. the. the sea. saw by sitting. at a. distance of 3.2metres from the pivot(take. g=10n/kg-1)

asked by joash on February 22, 2019
6. ### Science

A boy and girl sit on a seesaw of length 4m, balanced at its center. The girl sits at the far end and has a mass of 50kg. The boy is twice as heavy as the girl, and therefore sits midway between his end and the center. Then the

asked by Lola on February 23, 2015
7. ### 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?

asked by anonymous on August 22, 2015
8. ### physics

A girls sits on a tire that is attached to an overhanging tree limb by a rope. The girl's father pushes her so that her centripetal acceleartion is 3.8 m/s2. If the length of the rope is 3.3 m, a) what is the girl's tangential

asked by Devon on November 18, 2010
9. ### physics

A girl sitting on a merry-go-round 1.50 m from the center moves counterclockwise. If the girl's angular displacement is 1.67 rad, what is the arc length through which she moved?

asked by Anonymous on February 21, 2012
10. ### 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

asked by Anonymous on March 28, 2012

More Similar Questions