Question

Three charges are arranged in a line as shown below. + (a) The electrical force on charge C due to charge Als pointed to the right. pointed to the left. zero. (b) The electrical force on charge C due to charge B is pointed to the right. pointed to the left. zero. (c) The net electrical force on charge C due to both charges A and B is pointed to the right. pointed to the left. zero. (d) The net electrical force on charge B due to both charges A and C is pointed to the right. pointed to the left. zero. (e) The magnitude of electrical force on charge B due to charge A is greater than the magnitude of electrical force on charge A due to charge B. less than the magnitude of electrical force on charge A due to charge B. the same as the magnitude of electrical force on charge A due to charge B. (The magnitude of electrical force on charge B due to charge Als greater than the magnitude of electrical force on charge B due to charge C. less than the magnitude of electrical force on charge B due to charge C. the same as the magnitude of electrical force on charge B due to charge C.

Answer 1

d -q A tq ad B -q C A Pointed to the right (Same charge repeal each other) te 99 B FBC C Pointed to the left Copposite charge attracts) -2 +2 Foc aq . K d B 20 c FAC = To Be Fве* ne ea) FAC > FAC the direction will be same as FBC Pointed to the left. 1 22 So • - 9 FAB t2 FBC -2 FAB= alle 1 FAR) FBC FBC = CH 2 2

a Pointed to the left. @ Fe = ant 2 = FRA on A due to B force of change B due to A . The same as the magnitude of electrical force on change Adue to chang B (Newtons third low action reaction) I 22 toc a unito (ed)2 • FAB) FBC FAR greater than electrical force the magnitude of on change B due to charge c
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