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A block of mass m = 10.5 kg rests on an inclined plane with a coefficient of static of us = 0.055 between the block and the plane. The inclined plane is L= 6.8 m long and it has a friction height of h= 3.8 m at its tallest point. ) What angle, 0 in degrees, does the plane make with respect to the horizontal? b) What is the magnitude of the normal force, Fy in newtons, that acts on the block? m e) What is the component of the force of gravity along the plane, Fgx in newtons? d) Write an expression, in terms of 0, the mass m, the coefficient of static friction us, and the gravitational constant g, for the magnitude of the force due to static friction, F,, just before the block begins to slide. (e) Will the block slide?

A block of mass m = 10.5 kg rests on an inclined plane with a coefficient of static of us = 0.055 between the block and the plane. The inclined plane is L= 6.8 m long and it has a friction height of h= 3.8 m at its tallest point. ) What angle, 0 in degrees, does the plane make with respect to the horizontal? b) What is the magnitude of the normal force, Fy in newtons, that acts on the block? m e) What is the component of the force of gravity along the plane, Fgx in newtons? d) Write an expression, in terms of 0, the mass m, the coefficient of static friction us, and the gravitational constant g, for the magnitude of the force due to static friction, F,, just before the block begins to slide. (e) Will the block slide?

Glencoe Physics: Principles and Problems, Student Edition
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter5: Displacement And Force In Two Dimensions
Section: Chapter Questions
Problem 99A
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A block of mass m = 10.5 kg rests on an inclined plane with a coefficient of static friction of us = 0.055 between the block and the plane. The inclined plane is L = 6.8 m long and it has a height of h = 3.8 m at its tallest point. ) What angle, in degrees, does the plane make with respect to the horizontal? b) What is the magnitude of the normal force, Fy in newtons, that acts on the block? 0 m L →X c) What is the component of the force of gravity along the plane, Fex in newtons? gx d) Write an expression, in terms of 0, the mass m, the coefficient of static friction us, and the gravitational constant g, for the magnitude of the force due to static friction, F, just before the block begins to slide. (e) Will the block slide?
Transcribed Image Text:A block of mass m = 10.5 kg rests on an inclined plane with a coefficient of static friction of us = 0.055 between the block and the plane. The inclined plane is L = 6.8 m long and it has a height of h = 3.8 m at its tallest point. ) What angle, in degrees, does the plane make with respect to the horizontal? b) What is the magnitude of the normal force, Fy in newtons, that acts on the block? 0 m L →X c) What is the component of the force of gravity along the plane, Fex in newtons? gx d) Write an expression, in terms of 0, the mass m, the coefficient of static friction us, and the gravitational constant g, for the magnitude of the force due to static friction, F, just before the block begins to slide. (e) Will the block slide?
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