Physics Fundamentals
2nd Edition
ISBN: 9780971313453
Author: Vincent P. Coletta
Publisher: PHYSICS CURRICULUM+INSTRUCT.INC.
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Chapter 1, Problem 27P
To determine
The second force that will produce the resultant force of
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The force acting on a particle has a magnitude of 114 N ane is directed 27.8° above the positive x-axis.
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The upper leg muscle (quadriceps) exerts a force of F, = 1240 N, which is carried by a tendon over the kneecap (the patella) at the angles shown in the figure below.
Fo
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Chapter 1 Solutions
Physics Fundamentals
Ch. 1 - Prob. 1QCh. 1 - Prob. 2QCh. 1 - Prob. 3QCh. 1 - Prob. 4QCh. 1 - Prob. 5QCh. 1 - Prob. 6QCh. 1 - Prob. 7QCh. 1 - Prob. 8QCh. 1 - Prob. 9QCh. 1 - Prob. 10Q
Ch. 1 - Prob. 11QCh. 1 - Prob. 12QCh. 1 - Prob. 13QCh. 1 - Prob. 1PCh. 1 - Prob. 2PCh. 1 - Prob. 3PCh. 1 - Prob. 4PCh. 1 - Prob. 5PCh. 1 - Prob. 6PCh. 1 - Prob. 7PCh. 1 - Prob. 8PCh. 1 - Prob. 9PCh. 1 - Prob. 10PCh. 1 - Prob. 11PCh. 1 - Prob. 12PCh. 1 - Prob. 13PCh. 1 - Prob. 14PCh. 1 - Prob. 15PCh. 1 - Prob. 16PCh. 1 - Prob. 17PCh. 1 - Prob. 18PCh. 1 - Prob. 19PCh. 1 - Prob. 20PCh. 1 - Prob. 21PCh. 1 - Prob. 22PCh. 1 - Prob. 23PCh. 1 - Prob. 24PCh. 1 - Prob. 25PCh. 1 - Prob. 26PCh. 1 - Prob. 27PCh. 1 - Prob. 28PCh. 1 - Prob. 29PCh. 1 - Prob. 30PCh. 1 - Prob. 31PCh. 1 - Prob. 32PCh. 1 - Prob. 33PCh. 1 - Prob. 34PCh. 1 - Prob. 35PCh. 1 - Prob. 36PCh. 1 - Prob. 37PCh. 1 - Prob. 38PCh. 1 - Prob. 39PCh. 1 - Prob. 40PCh. 1 - Prob. 41PCh. 1 - Prob. 42PCh. 1 - Prob. 43PCh. 1 - Prob. 44PCh. 1 - Prob. 45PCh. 1 - Prob. 46PCh. 1 - Prob. 47PCh. 1 - Prob. 48PCh. 1 - Prob. 49PCh. 1 - Prob. 50PCh. 1 - Prob. 51PCh. 1 - Prob. 52PCh. 1 - Prob. 53PCh. 1 - Prob. 54PCh. 1 - Prob. 55PCh. 1 - Prob. 56PCh. 1 - Prob. 57P
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- . The resultant of three concurrent forces is 90.00 lbs 340N of W. If two of these three forces are A=17.89 lbs 27oW of S, and B =36.00 lbs NW, a) what is the magnitude and direction of the third force C? b) Using the result in (a), find the magnitude and direction of the resultant vector 2A – 3B + C?arrow_forwardWhat is the y-component of a 95.3 N force that is exerted at 57.1degree to the horizontal.arrow_forwardDetermine graphically the magnitude and direction of their resultant when P = 324 N and Q with a = 60° and B = 23°. 758 N %3D %3D Qarrow_forward
- A force F, of magnitude 7.20 units acts at the origin in a direction 27.0° above the positive x axis. A second force F, of magnitude 5.00 units acts at the origin in the direction of the positive y axis. Find graphically the magnitude and direction of the resultant force F, + F. 2' magnitude 10.46 V units direction 52.17 ° counterclockwise from the +x axisarrow_forward40 4N 65° 6N B (a) Calculate the x- and y- componeni of force A. (b) Calculate the x- and y- component of force B. (c) Calculate the x- and y- component of the total force A+B. (d) What is the magnitude of the total force | A+B|? (e) What is the angle between the total force and the +x axis?arrow_forwardThe resultant of four forces is 1000N in the direction of 30o W of N (where the N by 1000 stands for Newton the mks unit of force). Three of the other forces are 400N 60o N of E, 200N South, and 400N 53o W of S. Find the magnitude and direction of the fourth force.arrow_forward
- 21. Two teenagers are pulling on ropes attached to a tree.The angle between the ropes is 30.0°. David pulls with aforce of 400.0 N and Stephanie pulls with a force of 300.0N. Findthe magnitude of the resultant (net) force on the tree and theangle it makes with David’s rope.arrow_forward37. The resultant of vectors 3 units in cast 12 units in north and 4 units vertically upward is (a) J 23. The resultant of two equal forces is double of either of the force. The angle between them is (a) o 24, Fol the resultant of two vectors to be maximum, what must be the angle between them? (a) 0° Two forces of magnitude 7N and SN act on a particle at an angle e to each other , e can have any value the minimum magnitude of resultant force is (a) 2N (c) v265 (d 19 38. A particle is moving on a circular path with constant speed v. What is the change in its velocity after it has described an angle of 60? (a) v2 (b) 60 (c) 90 (a) 120° (b) 13 (b) 60° e) 90 (a) 180 (c) v (d) 2v (c) (b) 0 39. A force of (77 +6k ) newton makes a body more on a rough plane with a velocity of (37+4k)ms". Caleulate (b) SN (c) 8N (d) 12N the power in watt (a) 24 26. If A is a vector of magnitude 4 units due East. What is (d) 45 (b) 34 (c) 21 the magnitude and direction of a vector - 4 A ? (a) 4 units due East…arrow_forwardForces P, Q and S of magnitudes 6.00 N, 10.00 N and 8.00 N respectively, acts on point O such that the angle made by force P is 50o counter clockwise from the positive x axis, force Q acts at an angle of 38 o counter clockwise from the negative y axis and force S acts at an angle of 32 o counter clockwise from the positive y axis. The x component of force S isarrow_forward
- Forces P, Q and S of magnitudes 6.00 N, 10.00 N and 8.00 N respectively, acts on point O such that the angle made by force P is 50o counter clockwise from the positive x axis, force Q acts at an angle of 38 o counter clockwise from the negative y axis and force S acts at an angle of 32 o counter clockwise from the positive y axis. The x component of the resultant force R, Rx isarrow_forwardForces P, Q and S of magnitudes 6.00 N, 10.00 N and 8.00 N respectively, acts on point O such that the angle made by force P is 50o counter clockwise from the positive x axis, force Q acts at an angle of 38 o counter clockwise from the negative y axis and force S acts at an angle of 32 o counter clockwise from the positive y axis. The direction of the resultant force isarrow_forwardThe resultant of three concurrent forces is 90.00 lbs 340N of W. If two of these three forces are A=17.89 lbs 27oW of S, and B =36.00 lbs NW, a) what is the magnitude and direction of the third force C? (Ans. 57.85 lbs, 44.76oN of W b) Using the result in (a), find the magnitude and direction of the resultant vector 2A – 3B + C?arrow_forward
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