According to the law of conservation of
energy, which is always true?
A. Energy can never be created or destroyed.
B. Energy is always converted to friction in
moving objects.
C. The universe is always gaining energy in
many different forms.
D. Work is done when a force is exerted on an
object.
energy, which is always true?
A. Energy can never be created or destroyed.
B. Energy is always converted to friction in
moving objects.
C. The universe is always gaining energy in
many different forms.
D. Work is done when a force is exerted on an
object.