Test - Energy Flashcards
1
Q
When an object is dropped what happens to potential and kinetic energy when it falls?
A
Gpe goes down, KE goes up
Nb. Pg 19
2
Q
This roller coaster car starts from rest and moves along the track. At what point does the roller coaster car have the greatest potential energy?
A
At the summit
Nb. Pg 21
3
Q
if a person is swinging a baseball bat, what point what the gravitational potential energy be greatest?
A
At the very start
NB. Pg 20
4
Q
What’s an example of energy that isn’t potential?
A
Kinetic
NB. 16
5
Q
Where would a roller coaster have the greatest kinetic energy?
A
After the drop
NB. Pg 17
6
Q
The gravitational energy of an object increases….
A
As it’s height and velocity increase
Nb. Pg 15
7
Q
The mechanical energy of a coconut falling from a tree…
A
Remains constant
Nb pg
. 14
