The tension in a string from which a 4.0-kg object is suspended in an elevator is equal to 44 N. What is the acceleration of the elevator? a. 11 m/s^2 upward b. 1.2 m/s^2 upward c. 1.2 m/s^2 downward d. 10 m/s^2 upward e. 2.4 m/s^2 downward

The tension in a string from which a 4.0-kg object is suspended in an elevator is equal to 44 N. What is the acceleration of the elevator? a. 11 m/s^2 upward b. 1.2 m/s^2 upward c. 1.2 m/s^2 downward d. 10 m/s^2 upward e. 2.4 m/s^2 downward

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 34P: A car with a mass of 1000.0 kg accelerates from 0 to 90.0 km/h in 10.0 s. (a) What is its...

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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

The tension in a string from which a 4.0-kg object is suspended in an elevator is equal to 44 N. What is the acceleration of the elevator?

a. 11 m/s^2 upward

b. 1.2 m/s^2 upward

c. 1.2 m/s^2 downward

d. 10 m/s^2 upward

e. 2.4 m/s^2 downward

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