Wednesday
September 17, 2014

Homework Help: Physics

Posted by arcos15 on Monday, September 10, 2012 at 12:51am.

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

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - A house address sign is hung from a post with a light wieght rod. If ...
Physics - A 29 kg sign is supported by a vertical chain at each end. A strong ...
college physics - a 1.0 N-weight is hanging at rest as shown. In each case, ...
Physics - a 1.0 N-weight is hanging at rest as shown. In each case, write in ...
Physics - A 20 kg sign is pulled by a horizontal force such that the single rope...
physics - To protect her new two-wheeler, Iroda Bike buys a length of chain. She...
Physics - A large uniform chain is hanging from the ceiling, supporting a block ...
physics - A sign is held in position by 3 cables sign weight 215N, what is the ...
physics - A rigid rod holds a restaurant sign horizontally from the side of a ...
Calculus - A chain 27 feet long whose weight is 74 pounds is hanging over the ...

Search
Members