Friday
April 18, 2014

Homework Help: Physics

Posted by M. Yousaf Khan on Tuesday, November 1, 2011 at 12:52pm.

Question # 1 Marks = 12
A worker pushes 25Kg crate a distance of 5m along a level floor at constant velocity by pushing horizontally on it. The coefficient of kinetic frication between the crate and the floor is 0.23.
(a) What magnitude of force must the worker apply?
(b) How much work is done on the crate by this force?
(c) How much work is done on the crate by frication?
(d) How much work is done on the crate by normal force?
(e) How much work is done on the crate by the gravity?
(f) What is the total work done on the crate?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - A worker pushes a wheelbarrow with a force of 40 N over a level ...
HELP PHYSICS!!!! - a worker pushes a 7kg shipping box along a roller track. ...
physics - A man pushes on a piano of mass 180 so that it slides at a constant ...
QUOTATION MARKS - Question 12 Put ________ around a person's exact words. ...
12 - A factory’s worker productivity is normally distributed. One worker (worker...
Physics - A man pushes on a piano of mass 180 kg so that it slides at a constant...
math - In a question paper, there are 150 questions, each question carrying 2 ...
PHYSICS - A factory worker pushes a 30.7 crate a distance of 4.0 along a level ...
physics. please help - A worker pushes a 820 N crate with a horizontal force of ...
science - a worker pushes a box with a horizontal force of 50 N over a level ...

Search
Members