1+2 Which one (if any) of the fundamental forces, as we defined them in lecture, is the frictional forcederived from?O gravitational forcenone of thesestrong nuclear forceelectroweak force A 45 kg block hanging on a string is pulled upward by the string with an upward acceleration of3.6 m/s?. What is the tension in the string?600 NO 740 N280 N160 N440 N

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Answered: A 45 kg block hanging on a string is…

A 45 kg block hanging on a string is pulled upward by the string with an upward acceleration of 3.6 m/s?. What is the tension in the string? 600 N 740 N 280 N 160 N 440 N

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter4: Forces In One Dimension

Section4.1: Force And Motion

Problem 6PP

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Concept explainers

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

1+2

Which one (if any) of the fundamental forces, as we defined them in lecture, is the frictional force
derived from?
O gravitational force
none of these
strong nuclear force
electroweak force

A 45 kg block hanging on a string is pulled upward by the string with an upward acceleration of
3.6 m/s?. What is the tension in the string?
600 N
O 740 N
280 N
160 N
440 N

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