Where is the potential energy equal to zero?
1 answer:
Answer:
im sure your already past this but it's E.
Explanation:
This is because in this case potential energy is linear to height, which means that the higher the more potential energy.
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Explanation:
The newton (symbol: N) is the International System of Units (SI) derived unit of force.
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Answer:
a. It always points perpendicular to the contact surface.
Explanation:
"Normal" means perpendicular. Normal forces are always perpendicular to the contact surface.
