You hang a book bag on a spring scale and place the bag on a platform scale so that the platform scale reads 29.7 N and the spring scale reads 17.6 N. Part A Draw a force diagram for the bag to represent the situation. Fs on B is the elastic force exerted by the spring on the bag, Np on B is the normal force exerted by the platform scale on the bag, and FE on B is the gravitational force exerted by Earth on the bag. Draw the vectors starting at the black dot. The location and orientation of the vectors will be graded. The length of the vectors will not be graded.

You hang a book bag on a spring scale and place the bag on a platform scale so that the platform scale reads 29.7 N and the spring scale reads 17.6 N. Part A Draw a force diagram for the bag to represent the situation. Fs on B is the elastic force exerted by the spring on the bag, Np on B is the normal force exerted by the platform scale on the bag, and FE on B is the gravitational force exerted by Earth on the bag. Draw the vectors starting at the black dot. The location and orientation of the vectors will be graded. The length of the vectors will not be graded.

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter5: Newton's Law Of Motion

Section: Chapter Questions

Problem 53P: A history book is lying on top of a physics book on a desk, as shown below a free-body diagram is...

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

Question

You hang a book bag on a spring scale and place the bag on a
platform scale so that the platform scale reads 29.7 N and the spring
scale reads 17.6 N.
Part A
Draw a force diagram for the bag to represent the situation. Fs on B is the elastic force exerted by the spring on the bag, Np
on B is the normal force exerted by the
platform scale on the bag, and FE on B is the gravitational force exerted by Earth on the bag.
Draw the vectors starting at the black dot. The location and orientation of the vectors will be graded. The length of the vectors will not be graded.

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