Learning Materials
Features
Discover
Chapter 4: Q3. (page 98)
If the object is moving, it is possible for the net force acting on it to be zero? Explain.
Yes, when the object is moving with a constant velocity, the net force on it must be zero.
Over 30 million students worldwide already upgrade their learning with Vaia!
All the tools & learning materials you need for study success - in one app.
Get started for free
Compare the effort (or force) needed to lift a 10 kg object when you are on the moon with the force needed to lift it on the earth. Compare the force needed to throw a 2 kg object horizontally with a given speed on the moon and on the earth.
A truck is traveling horizontally to the right (Fig.4–38). When the truck starts to slow down, the crate on the (frictionless) truck bed starts to slide. In what direction could the net force be on the crate?(a) No direction. The net force is zero.(b) Straight down (because of gravity).(c) Straight up (the normal force).(d) Horizontal and to the right.(e) Horizontal and to the left.
What would your bathroom scale read if you weighed yourself on an inclined plane? Assume the mechanism functions properly, even at an angle.
If the acceleration of an object is zero, are no forces acting on it? Explain.
(II) A car can decelerate atwithout skidding when coming to rest on a level road. What would its deceleration be if the road is inclined at 9.3° and the car moves uphill? Assume the same static friction coefficient.
What do you think about this solution?
We value your feedback to improve our textbook solutions.
Explanations 
Textbooks 
Exams 
GCSE 
IGCSE 
AS 
A Level 
International A Level 
University Admissions Tests 
Flashcards 
Vaia AI 
Notes 
Study Plans 
Study Sets 
Find a job 
Find a degree 
Student Deals 
Magazine 
Mobile App