Power = energy/time=20/4=5.0
Answer:
Explanation:
θ
X-direction | Y-direction
⇒ 
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Answer: D. An action-reaction force pair
Explanation: When you sit in your chair, your body exerts a downward force on the chair and the chair exerts an upward force on your body. There are two forces resulting from this interaction - a force on the chair and a force on your body. Another example would be a person pushing against a wall (action force), and the wall exerts an equal and opposite force against the person.
What do you mean? Is there a picture ?
