Homework Statement
Which of the following quantities is conserved?
1) Energy
2) Heat
3) Entropy
4) Force
The Attempt at a Solution
I would believe that the energy is conserved. I don't know about Entropy, can some explain that in simple terms for me. Thanks
Suppose I am pulling on a cart at a constant velocity, what is my net force. Is it zero?
If I throw a baseball in the air, neglecting air resistance, what does the ball experience when it comes out your hand and before it hits the ground? does it experience it's weight and also a decreasing...