Calculate the magnitude of the normal force on a 12.7 kg block in the following circumstances. (Enter your answers in N.) (a) The block is resting on a level surface. N (b) The block is resting on a surface tilted up at a 20.8° angle with respect to the horizontal. N (c) The block is resting on the floor of an elevator that is accelerating upward at 2.28 m/s2. N (d) The block is on a level surface and a force of 165 N is exerted on it at an angle of 20.8° below the horizontal. N
Calculate the magnitude of the normal force on a 12.7 kg block in the following circumstances. (Enter your answers in N.) (a) The block is resting on a level surface. N (b) The block is resting on a surface tilted up at a 20.8° angle with respect to the horizontal. N (c) The block is resting on the floor of an elevator that is accelerating upward at 2.28 m/s2. N (d) The block is on a level surface and a force of 165 N is exerted on it at an angle of 20.8° below the horizontal. N
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
Section: Chapter Questions
Problem 5PQ
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Question
Calculate the magnitude of the normal force on a 12.7 kg block in the following circumstances. (Enter your answers in N.)
(a)
The block is resting on a level surface.
N
(b)
The block is resting on a surface tilted up at a 20.8° angle with respect to the horizontal.
N
(c)
The block is resting on the floor of an elevator that is accelerating upward at 2.28 m/s2.
N
(d)
The block is on a level surface and a force of 165 N is exerted on it at an angle of 20.8° below the horizontal.
N
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