Three charges q 1 =5.0*10 -9 C,q 2 = -6.0*10 -9 C,q 3 =-4.0*10 -9 C are located
ID: 1663756 • Letter: T
Question
Three charges q1=5.0*10-9C,q2= -6.0*10-9C,q3=-4.0*10-9C are located at (-2m, 0m), (3m,0m), and (0m, -4m) respectively. (a) Sketch a diagram showing the location of the charges (b) Draw a vector diagram showing the electric forces onq3 (c) Calculate the magnitude of the forces on q3 (d) Find the resultant force on q3 Three charges q1=5.0*10-9C,q2= -6.0*10-9C,q3=-4.0*10-9C are located at (-2m, 0m), (3m,0m), and (0m, -4m) respectively. (a) Sketch a diagram showing the location of the charges (b) Draw a vector diagram showing the electric forces onq3 (c) Calculate the magnitude of the forces on q3 (d) Find the resultant force on q3 (d) Find the resultant force on q3Explanation / Answer
a) q_1 sits on the x axis at -2, q_2 sits on the x axis at +3, q_3sits on the y axis at -4 b) draw the positions of the charges and draw the straightconnecting line between q_1 and q_3 and then the one between q_2and q_3 the forces between each pair of charges act along those lines q_3 is a negative charge, so it will be attracted toward positivecharges and repelled by negative charges - this info gives you thedirection of each force along those connecting lines the length of each force vector is proportional to the amount ofcharge acting on it scaled by the inverse of the distance betweenthose charges squared c) calculate each force separatly use your diagram to build triangles with the force vectors eachbeing the hypotenuse of a right angle triangle note that you know two sides of the triangles so you can calculatethe magnitudes of the hypotenuses then use triangle analysis to find the direction (angle) of ittoo d) add the two forces to find the net force on q_3 by adding thetwo forces x components and y components separately and then combining them by using Pythagoras
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.