BuyFind

College Physics

1st Edition
Paul Peter Urone + 1 other
Publisher: OpenStax College
ISBN: 9781938168000
BuyFind

College Physics

1st Edition
Paul Peter Urone + 1 other
Publisher: OpenStax College
ISBN: 9781938168000

Solutions

Chapter
Section
Chapter 5, Problem 19PE
Textbook Problem

Repeat Exercise 5.18 with the contestant pulling the block of ice with a rope over his shoulder at the same angle above the horizontal as shown in Figure 5.23(b).

Chapter 5, Problem 19PE, Repeat Exercise 5.18 with the contestant pulling the block of ice with a rope over his shoulder at

Expert Solution
To determine

(a)

The minimum force must exert to get the block moving

Explanation of Solution

Given info:

Mass of the block, m=45kg

Diagram of the block

    Figure.1

    Formula used:

    For a stationary object algebraic sum of all the forces in a direction must be zero.

      Fx=0,&Fy=0

    Calculation:

    The weight of the block will act in downward direction

      W=mg=45×9.81=441.45N

    Consider the free body diagram of the block

      Figure.2

      The normal force on the lake by the block is

        N=mgFsin25οN=441

      Expert Solution
      To determine

      (b)

      Acceleration of the block once it start moving

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      Chapter 5 Solutions

      College Physics
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