PHEP Chapter 2 Flashcards
1
Q
define work
A
overcoming a resistance
2
Q
work equals?
A
force times distance
3
Q
what are the units of power
A
foot-lb/sec
4
Q
what is velocity
A
rate at which a mass travels in a particular direction
5
Q
when is velocity variable
A
mass passes over unequal distance in equal intervals of time
6
Q
what happens as a fluid increases in velocityq
A
gains in kinetic energy or striking force
7
Q
doubling the velocity of a stream of water does what
A
increases the weight it can support by 16
8
Q
what is water hammer
A
force or shock of a confined liquid
