Sunday
April 20, 2014

Homework Help: physics

Posted by waqas on Saturday, August 6, 2011 at 9:13am.

A 34.2 -kg block rests on the
oor.
(a) What force (N) does the
oor exert on the block?
(b) If a rope is tied to the block and run vertically over a pulley, and the other end is
attached to a free-hanging 5.6 kg weight, what force (N) does the
oor now exert on the
block?
(c) If the free-hanging weight is replaced with a 20 kg weight, what force (N) does the

oor exert on the block?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - A 4 kg block rests between the floor and a 3 kg block. The 3 kg block ...
physics - Starting from rest, a(n)9 kg block slides 9.7 m down a frictionless ...
physics - 011 (part 1 of 5) 10.0 points Two objects are connected by a string of...
Physics - A block of mass m = 2.00 kg rests on the left edge of a block of mass ...
physics - A 4.85-kg block is placed on top of a 12.0-kg block that rests on a ...
Physics - A block whose weight is 34.0 N rests on a horizontal table. A ...
physics - A light rope is attached to a block with a mass of 6 kg that rests on ...
physics - A block of mass M = 6.755 kg is pulled along a horizontal frictionless...
physics - A rope is used to pull a 2.54 kg block at constant speed 4.48 m along ...
college physics - A rope is used to pull a 3.57 kg block at constant speed 5.10 ...

Search
Members