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Q15) A book of mass 2 kg is placed on a table. If you push down on the book with a force of 20 N, then the normal force will be: (g-10 m/s²) a) 10 N down b) 40 N up c) 30 N up d) 30 N down

Q15) A book of mass 2 kg is placed on a table. If you push down on the book with a force of 20 N, then the normal force will be: (g-10 m/s²) a) 10 N down b) 40 N up c) 30 N up d) 30 N down

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Q14) A block of mass mis pulled at constant velocity along a rough horizontal floor by an applied force T as shown. The magnitude of the frictional force is: A. T cos 0 B. T sin 0 Ke C. zero D. mg Q15) A book of mass 2 kg is placed on a table. If you push down on the book with a force of 20 N, then the normal force will be: (g-10 m/s²) a) 10 N down b) 40 N up c) 30 N up d) 30 N down Q16). The rectangular coordinates of point are (2 m, 3 m) and the polar coordinates of this point are (r, O). What is the value of the polar coordinate r in (m) in this case? A) 5.8 m, 31° B) 5.8.20 C) 3.6 m, 56° D) 5.8 m, 19° E) non of previous
Transcribed Image Text:Q14) A block of mass mis pulled at constant velocity along a rough horizontal floor by an applied force T as shown. The magnitude of the frictional force is: A. T cos 0 B. T sin 0 Ke C. zero D. mg Q15) A book of mass 2 kg is placed on a table. If you push down on the book with a force of 20 N, then the normal force will be: (g-10 m/s²) a) 10 N down b) 40 N up c) 30 N up d) 30 N down Q16). The rectangular coordinates of point are (2 m, 3 m) and the polar coordinates of this point are (r, O). What is the value of the polar coordinate r in (m) in this case? A) 5.8 m, 31° B) 5.8.20 C) 3.6 m, 56° D) 5.8 m, 19° E) non of previous
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