assignme 29 B= 39 139 12 Will be graded: 1. You are asked to calculate the electric force on q for the given system below, If Q= D uC , q = D/2 uC, and L = D cm (1 UC =1 x 106 C), a. Draw the free body diagram at point of interest? (15points) b. Calculate electric force on q due to -Q? What is the direction? (20points) c. Calculate electric force on q due to +Q? What is the direction? (20points) d. Calculate the magnitude of the electric force on q and find the direction? (20points) +Q Do for practice and earn (25 points) for completion: 2. What are the two methods you can use to charge a given neutral conducting object? Explain the process of charging this object if a positively charged object, neutral conducting object, insulating stand and conducting wire are given to you. 3. a. How many electrons are needed to form a charge of Q1 = -D nC? b. If you touch two charge balls of -D nC and B nC, what will be the net charge after touching them together? 4. You are asked to calculate the electric force on q charge of the system below, If a = B/10 mm, b = D/10 mm, Q1 = -BnC, Q2 = C nC, and q = -D nC, a. Draw the free body diagram at point of interest? b. Calculate electric force on q due to Q1? What is the direction? Q1 Q2 c. Calculate electric force on q due to Q2? What is the direction? d. Calculate the magnitude of the electric force on q and find the direction? Dr Hetti PHY 156 5. The figure shows four situations in which four charged particles are evenly spaced to the left and right of a central point. The charge values are indicated. Which one has the greatest magnitude of the net electric force at the central point? What will be the direction of net force? Draw FBD in each case and make sure you understand it clearly. (A) (C) (D)- 6. If a = D mm, b = 1.5 D mm, Q1 = D nC, Q2 = D nC, and q = C nC in the figure, what is the magnitude and direction of the electric force on Qi