A crate of mass 47 kg is pushed up a frictionless ramp by a person as shown in the figure below. Assume the crate moves at constant velocjty. The crate is pushed a distance of 19 m as measured along the ramp. Calculate the work done (a) by the person 4380 J, (b) by the gravity, (c) the normal force and (d) total work. 0J
A crate of mass 47 kg is pushed up a frictionless ramp by a person as shown in the figure below. Assume the crate moves at constant velocjty. The crate is pushed a distance of 19 m as measured along the ramp. Calculate the work done (a) by the person 4380 J, (b) by the gravity, (c) the normal force and (d) total work. 0J
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
Related questions
Question
Help me #4

Transcribed Image Text:Unit 2: Newton's Laws and Energy
Module 3: Work, Kinetic Energy, and Gravitational Potential Energy
* A crate of mass 47 kg is pushed up a frictionless ramp by a person as shown in the figure below.
Assume the crate moves at constant velocity. The crate is pushed a distance of 19 m as measured
along the ramp. Calculate the work done (a) by the person 4380 J, (b) by the gravity, (c) the normal force
and (d) total work. 0 J
Notice position
sketch
vs. speed change
WNC = ME, - ME or ME = ME,
%3D
%3D
object
Examine
FBD
vectors
0 = 30°
(NC: FA fk T?)
Write known/unknown variables
want? Wwe?
%3:
5. The driver of a 1.01x103 kg car traveling on the interstate
at 35.0 m/s (nearly 80.0 mph) slams on his brakes to avoid
hitting a second vehicle in front of him that is stopped. After
nnlied, a constant kinetic friction force of
ir rosistance,
AV
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images

Recommended textbooks for you

College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning

University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON

Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press

College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning

University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON

Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press

Physics for Scientists and Engineers
Physics
ISBN:
9781337553278
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning

Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:
9780321820464
Author:
Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:
Addison-Wesley

College Physics: A Strategic Approach (4th Editio…
Physics
ISBN:
9780134609034
Author:
Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:
PEARSON