Physics 10 vocab Flashcards
1
Q
Joseph Black
A
- thought that heat was an invisible fluid that flowed from hot to cold things
- lead to unit of calories
- increase temp of 1g of water by 1 degree
2
Q
count rumford
A
- heat is equivalent to energy
- realtionship between mechanical energy and heat
- went against caloric theory
2
Q
james prescott joule
A
- heat is another form of energy
- experimented to support connection between Ep and heat, and Ek and heat (Em and heat)
- agreed with rumford
- unit of energy, joule, was named after him
3
Q
chemical energy
A
potential energy stored in chemical bonds of compounds
3
Q
electrical energy
A
work done by moving charges
4
Q
nuclear energy
A
potential energy stored in the nucleus of the atom
5
Q
solar energy
A
energy from the sun
6
Q
kinetic energy
A
energy of motion
7
Q
(gravitational) potential energy
A
potential to do work because of an objects position or condition
8
Q
mechanical energy
A
sum of potential and kinetic energy
9
Q
thermal energy
A
energy an object has due to the kinetic energy of the particles in the object (heat)
10
Q
thomas savery
A
- invented fist successful steam powered pump
- used to pump water out of mines
11
Q
thomas newcomen
A
- his engine relied of atmospheric pressure
- pressure moves from high to low
12
Q
james watt
A
- worked for decades trying to create a more efficient steam engine
- his became the model for all engines for many years
- double acting steam engine (piston went in both directions)
13
Q
Work formula
A
- W=Fd
- F=W/d
- d=W/F