There are no true statements at all on the list of choices
that you included with the question.
Answer:
The forces that do non-zero work on the block are gravity and normal reaction force
Explanation:
Answer:
A prism is a clear crystal that refracts light
Explanation:
The atomic mass is always equal to the sum of protons and neutrons in the nucleus. If you add the number of protons and neutrons (8 + 10) = 18 you will find that the atomic mass is 18.