Ukuran huruf
Lembar kerjaENERGY
Total soal: 10
Worksheet time: 6mins
Which of the following quantities has the same unit of energy?
force
momentum
power
work
Which of the following describes the rock as it goes upward?
kinetic energy and potential energy decrease.
kinetic energy and potential energy increase.
kinetic energy increases but potential energy decreases.
kinetic energy decreases but potential energy increases.
How will you describe the total energy in the universe?
It tends to increase
It tends to decrease.
It is always zero.
It remains constant.
Which of the following devices converts heat energy into use mechanical energy?
generator
heat engine
motor
transformer.
At what point in its motion is the potential energy of the pendulum bob maximum?
A
B
C
D
Which of the following describes a heat engine?
It completely coverts heat energy into work.
It is eco-friendly.
It follows the Law of Conservation of Energy.
it produces electricity.
Entropy may decrease after a process.
True
False
Law of Conservation of Energy and the Second Law of Thermodynamics are the same.
True
False
Heat engine produces more heat waste than mechanical energy.
True
False
Heat moves from cold objects to hot objects.
True
False
