A0.770-kg block is released from rest at the top edge of a plane inclined by 0 = 44° to the vertical. The plane is 1.85 m long from top to bottom along the incline and there is a 1.55•N frictional force between the block and the plane. (9 What is the work done by the normal force on the block as it moves from the top to the bottom of the plane? Explain your answer. Wnormal = (b) Find the work done by friction on the block as it moves down the plane.
A0.770-kg block is released from rest at the top edge of a plane inclined by 0 = 44° to the vertical. The plane is 1.85 m long from top to bottom along the incline and there is a 1.55•N frictional force between the block and the plane. (9 What is the work done by the normal force on the block as it moves from the top to the bottom of the plane? Explain your answer. Wnormal = (b) Find the work done by friction on the block as it moves down the plane.
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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Section II: Problems
Problem 3: Energy & Power
A0.770-kg block is released from rest at the top edge of a plane inclined by 0 = 44° to the vertical.
The plane is 1.85 m long from top to bottom along the incline and there is a 1.55•N frictional force
between the block and the plane.
(a) What is the work done by the normal force on the block as it moves from the top to
the bottom of the plane? Explain your answer.
Wnormal =
(b) Find the work done by friction on the block as it moves down the plane.
wfriction =
(C) Find the work done by gravity on the block between the top and the bottom of the inclined plane.
Wgrav=
d) Find the block's kinetic energy when it reaches the bottom of the plane.
K =
(e) Find the block's speed when it reaches the bottom of the plane.
V =
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