(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°
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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![(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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb105076a-a9e1-4212-8923-8fc63c282b84%2F830a22bb-a519-4e76-88c0-0a0778697d8d%2F49f25ot_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(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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