ENS School: 2024
Term : 2
Name: ………………
Date…
Subject: Physics
Grade: 10
Classwork: Coulomb’s Law
Topic: (Ch: Electrostatics )
Lesson: Coulomb’s Law
Learning Objective: Calculate Coulombs law
Use the Stimulation to solve the Coulomb’s Law:
Location 1
(𝑐𝑚)
Charge 2 (𝜇𝐶)
10
3
10
7
10
1
10
9
10
1
5
9
5
1
-5
9
Charge 1 (𝜇𝐶)
Location 2
(𝑐𝑚)
Force
Force
(of 1 on 2)
(of 2 on 1)
(𝑁)
(𝑁)
Summarize:
1. Determine whether each statement is true or false.
_______ a. The electric force increases as objects move closer together.
_______ b. The electric force increases as an object’s charge increases.
-----------c. If two objects have different charges, the object with the greater charge, pulls with a
greater force
1
Q:1 Group A: Solve the Blanks .
1 Identify two ways (factors) you can change in order to the charge the objects experience.
a. One factor is _________
b. A second factor is _____________
Force is ___________________________ to distance
1.
2. How could you increase electric force using each factor? _____________________
_____________________________________________________________________________
_________________________________________________________
Force is _____________________________to the product of charges
Write the formula and solve the numerical.
Q2:
Suppose that two point charges, each with a charge of 2.5 * 10 -3 Coulomb are separated by a distance of
3.00 meter. Determine the magnitude of the electrical force of repulsion between them.
2
Q: 2 Group B:
Example 2 without medium
Q:3 Group C# Presence of Medium.
1: Two charges 1Uc and 5Uc are separated by a glass plate of 5cm thickness .Find the force
experienced by each charge .Relative permittivity of the glass is 5cm. Where U = 10-6
Without medium:
2: What is the magnitude of the force between a charge of 2.35µC and another with a charge of 1.25 x 10-4
C separated by 25.0 cm?
3
4