Three charges 2, 3 and 4 micro C each are placed at corners of a right angled triangle, ABC. Given Ab = 4 cm, BC = 3 cm , B = 90 degree . Find the force on A.
Answers
Answered by
0
Correct option is B)
The given condition ca be shown as below
Net force on B,F
net
=
F
A
2
+F
C
2
∴F
A
=
(3)
2
5×12
=20dyne
and F
C
=
(4)
2
12×20
=15dyne
So, F
net
=
(20)
2
+(15)
2
=25dyne.
Similar questions