Calculate the magnitude of the normal force on a 15.0-kgblock in the following circumstances: (a) The block is restingon a level surface. (b) The block is resting on a surface tiltedup at a 30.0° angle with respect to the horizontal. (c) Theblock is resting on the floor of an elevator that is acceleratingupwards at 3.00 m/s2. (d) The block is on a level surface anda force of 125 N is exerted on it at an angle of 30.0° above thehorizontal.

Calculate the magnitude of the normal force on a 15.0-kgblock in the following circumstances: (a) The block is restingon a level surface. (b) The block is resting on a surface tiltedup at a 30.0° angle with respect to the horizontal. (c) Theblock is resting on the floor of an elevator that is acceleratingupwards at 3.00 m/s2. (d) The block is on a level surface anda force of 125 N is exerted on it at an angle of 30.0° above thehorizontal.

University Physics Volume 1

18th Edition

ISBN:9781938168277

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

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

Chapter6: Applications Of Newton's Laws

Section: Chapter Questions

Problem 40P: A service elevator takes a load of garbage, mass 10.0 kg, from a floor of a skyscraper under...

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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

Calculate the magnitude of the normal force on a 15.0-kg
block in the following circumstances: (a) The block is resting
on a level surface. (b) The block is resting on a surface tilted
up at a 30.0° angle with respect to the horizontal. (c) The
block is resting on the floor of an elevator that is accelerating
upwards at 3.00 m/s². (d) The block is on a level surface and
a force of 125 N is exerted on it at an angle of 30.0° above the
horizontal.

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