(i) To move a boat uniformly along the river at a given speed, a resultant force R = 520 N is required. Two men pull with force P and Q, by means of ropes to do this. The ropes make an angle of 30° and 40° respectively with the sides of the river as shown in Fig. 1. (i) Determine the force P and Q, (ii) If 0, = 30° , find the value of 02 such that the force in the rope Q is minimum. What is the %3D minimum force Q ? 300 02 40°

(i) To move a boat uniformly along the river at a given speed, a resultant force R = 520 N is required. Two men pull with force P and Q, by means of ropes to do this. The ropes make an angle of 30° and 40° respectively with the sides of the river as shown in Fig. 1. (i) Determine the force P and Q, (ii) If 0, = 30° , find the value of 02 such that the force in the rope Q is minimum. What is the %3D minimum force Q ? 300 02 40°

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Description: (i) To move a boat uniformly along the river at a given speed, a resultant force R = 520 N isrequired. Two men pull with force P and Q, by means of ropes to do this. The ropes make anangle of 30° and 40° respectively with the sides of the river as s

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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Newton's First Law of Motion

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Question

(i) To move a boat uniformly along the river at a given speed, a resultant force R = 520 N is
required. Two men pull with force P and Q, by means of ropes to do this. The ropes make an
angle of 30° and 40° respectively with the sides of the river as shown in Fig. 1.
(i) Determine the force P and Q,
(ii) If 01 = 30° , find the value of 02 such that the force in the rope Q is minimum. What is the
minimum force Q ?
30°
R
02
40°
Figure 1

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