Kinetics and Dynamics Flashcards
1
Q
Vector addition (2) ways
A
- tip to tail method
2. Pythagorean theorem
2
Q
How to do vector substitution?
A
changing the direction of the subtracted vector & then treating it like a vector addition (using their methods)
3
Q
2 ways of multiplying vectors by other vectors
A
- dot product (uses cos theta in equation)
2. cross product (uses sin theta in equation)
4
Q
Kinetic Energy
A
the energy of Motion. Related to the mass of an object as well as its speed squared
5
Q
Potential Energy
A
energy stored within the system. Exists in gravitational, elastic, electric and chemical forms
6
Q
Gravitational potential energy
A
directly related to the mass of the object and its height above a reference point
7
Q
Total mechanical energy of a system
A
the sum of its kinetic and potential energies
