A lorry of mass 15 tonnes is travelling along a straight horizontal road. The lorry has a constant speed of 16 ms and the driving force being developed by its en is 15625 N. There is a constant resistance to motion of R newtons. Model the lorry as a particle. (i) Find R. The lorry now ascends a hill which is inclined at 3° to the horizontal as shown in Fig. 3 below. The resistance to motion remains unchanged. 3⁰ Fig. 3 (ii) Draw a diagram showing the external forces acting on the lorry. When the lorry is accelerating at 0.1 ms 2 it has speed 10ms™¹ (iii) Find the power now being developed by the lorry's engine.

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)...
icon
Related questions
Topic Video
Question
Question 2
A lorry of mass 15 tonnes is travelling along a straight horizontal road.
The lorry has a constant speed of 16 ms and the driving force being developed by its eng
is 15625 N.
There is a constant resistance to motion of R newtons.
Model the lorry as a particle.
(i) Find R.
The lorry now ascends a hill which is inclined at 3° to the horizontal as shown in Fig. 3
below. The resistance to motion remains unchanged.
3⁰
Fig. 3
(ii) Draw a diagram showing the external forces acting on the lorry.
When the lorry is accelerating at 0.1 ms 2 it has speed 10ms-¹
(iii) Find the power now being developed by the lorry's engine.
Transcribed Image Text:Question 2 A lorry of mass 15 tonnes is travelling along a straight horizontal road. The lorry has a constant speed of 16 ms and the driving force being developed by its eng is 15625 N. There is a constant resistance to motion of R newtons. Model the lorry as a particle. (i) Find R. The lorry now ascends a hill which is inclined at 3° to the horizontal as shown in Fig. 3 below. The resistance to motion remains unchanged. 3⁰ Fig. 3 (ii) Draw a diagram showing the external forces acting on the lorry. When the lorry is accelerating at 0.1 ms 2 it has speed 10ms-¹ (iii) Find the power now being developed by the lorry's engine.
Expert Solution
steps

Step by step

Solved in 6 steps with 2 images

Blurred answer
Knowledge Booster
Second law of motion
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
College Physics
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
University Physics (14th Edition)
University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON
Introduction To Quantum Mechanics
Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press
Physics for Scientists and Engineers
Physics for Scientists and Engineers
Physics
ISBN:
9781337553278
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Lecture- Tutorials for Introductory Astronomy
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…
College Physics: A Strategic Approach (4th Editio…
Physics
ISBN:
9780134609034
Author:
Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:
PEARSON