Test 2 Flashcards
1
Q
A pendulum oscillates at a steady rate. Does the string perform work on the oscillating bob?
A
The string does no work on the bob
2
Q
Unit of power
A
Watt
3
Q
If you consume 2000 calories per day your average power consumption is about
A
100 W
4
Q
An object travelling in a straight line at constant speed has constant angular momentum
A
T
5
Q
T or F a cliff diver once has launched herself in the air will have a constant angular velocity.
A
F
6
Q
T or F a cat needs a nonzero angular momentum when landing
A
F
7
Q
mv initial=
A
(m+M)v final
