energy transfers: pendulum Flashcards
1
Q
what is the law of conservation of energy?
A
energy can be transferred usefully, stored or dissipated but it can’t be created or destroyed
2
Q
what is a system?
A
an object or group of objects
3
Q
what happens in a closed system?
A
no energy can enter or leave
4
Q
what’s at the top of the pendulum?
A
the maximum gpe of the mass
5
Q
what does the mass have?
A
the maximum kinetic energy of the mass
6
Q
where is friction?
A
in the fixed point and as the pendulum passed through the air particles
7
Q
what does friction cause?
A
energy to be transferred to thermal energy
