Physics

posted by .

A sign whose weight is 95 lbs is held up by a chain.

(1) With what force does the chain need to be pulled up to keep the sign in place?
___________ lbs

(2) Jenna writes a mathematical description,
95 lbs + - 95 lbs = 0. What does the sign of each number represent? MULTIPLE CHOICE

a).that one is a chain force and one is gravity
b).how much force is added or subtracted to her hand
c).the direction in which each force is exerted

  • Physics -

    95LBS
    AND
    C

  • Physics -

    1)F=mg
    F=95(9.8)

    2) c

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math

    A fitness company surveyed the weights of its 90 costumers. Assume that the weights are normally distrubted with a mean of 162 lbs and a standard deviation of 3.5 lbs. If you select one of its costumers randomly, what is the probability …
  2. math

    A fitness company surveyed the weights of its 90 costumers. Assume that the weights are normally distrubted with a mean of 162 lbs and a standard deviation of 3.5 lbs. If you select one of its costumers randomly, what is the probability …
  3. Math

    Todd's wieght went from 220 lbs to 190 lbs and Cassidy's wighte went from 150 lbs t?
  4. 9th grade math

    if a man mixes 12 lbs. of peanuts that's $1.25 a lbs. with a pound of cashews at $1.80 a lbs. how many pounds of cashew do you need to make a $1.50 a lbs. mixture explain in words and numbers
  5. physics

    A house address sign is hung from a post with a light wieght rod. If the sign weighs 4.5 N, what is force in the chain?
  6. calculus

    A metal chain weighs 30 lbs and is 10 feet long. How much work is required to lift one end of the chain to a height of 15 feet (so that the other end of the chain will be at a height of 5 feet)?
  7. Physics

    A 29 kg sign is supported by a vertical chain at each end. A strong wind blows and the chains make a 30 degree angle with the vertical. What force does each chain exert?
  8. calculus

    A metal chain weighs 30 lbs and is 10 feet long. How much work is required to lift one end of the chain to a height of 15 feet (so that the other end of the chain will be at a height of 5 feet)?
  9. Physics

    A net force of 150 lbs acts on a body whose weight is 96 lbs. What is its acceleration?
  10. Math

    Perry's Publishing is relocating and 2 employees, Edna and Sam have created a "For sale" sign 4 feet long to place outside the current premises. They plant o attach the sign to a 9-foot pole using a hook and a chain. They would like …

More Similar Questions