Question

I need the answer for PART B.

Problem 1 a) Three charges are arranged on a line as shown above For each statement select true or false. False: If Q1 is positive, Q2 is negative and Q3 is positive, then Q2 MUST feel a net force to the right True: If Q1 is positive, Q2 is negative and Q3 is positive, then Q2 MIGHT feel a net force to the right True: If Q1 is negative, Q2 is negative and Q3 is positive, then Q2 MUST feel a net force to the right False: If Q1 is positive, Q2 is negative and Q3 is negative, then Q2 MUST feel a net force to the right You are correct. Computer's answer now shown above Your receipt is 160-2584 b) In the above figure, R-1.7m. Q-1.90x 10 ,-Q1 and Q3-Calculate the total force on Q2. Give your answer with a positive number for a force directed to the right.

Answer 1

The electric force between two charges Q1 and Q2 at a distance R = KQ1 KQ/ R^{​​​​​2 .}​​

Here, between Q1 and Q2 since they have opposite charges, the force is attractive towards left due to Q1.

Between Q2 and Q3, they have similar charges, the force is repulsive and towards left due to Q3 on Q2

These total forces can be given by-