Physics 1
Lecture 7
Chapter 8
Conservation of Energy
1
Potential Energy (PE) (U)
It’s the energy stored within an object,
due to the object’s position.
2
Gravitational Potential Energy (Ug)
3
Gravitational Potential Energy (Ug)
Elastic Potential Energy (Us)
Mass-Spring System
Conservation of Energy
𝑣2
σ 𝐹𝑐 = m
𝑟
𝑣2
T sin 𝜽 = m 𝑟 → 3
Problem (1)
Solution
Problem (2)
Solution
Problem (3)
Solution
Problem (4)
Solution
Problem (5)
Solution
18
Problem (6)
Solution
Problem (7)
Solution
Solution
Thank you
24