Answer:
D
Explanation:
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Ideal mechanical advantage doesn't take energy lost to friction into account. Explain why the mechanical advantage of a single fixed pulley is always 1. A single fixed pulley changes only the direction of the effort force. ... Energy transforms from the object supplying the force to the object being moved.
Answer:B) It was not understood by scientific world.
Explanation:
Answer:
The answer is zero please Give me Brainly
Explanation:
C) the moon does not have a strong magnetic field