Gravitation, Escape Velocity, and More
Why do things fall down? Why must we apply effort to make things go up? Do all things fall down at the same rate? Why do we not use an…
Power and Energy
In electrical engineering, the terms power and energy are commonly used. While laypeople often use them interchangeably, they are not the same. So, what’s the difference? Let’s find out. We…
Moment of Force (Torque)
We observe motion all around us. Some motions are linear, meaning they occur along a straight line, while others are rotational. Let’s explore the force behind rotational motion and what…
Exercises – Moment of Force
1. A door is 3 feet wide. Calculate the moment of force when a force of 100 N is applied ata. the end of the door b. the middle of…