A student demonstrates one of Newton's Laws of Motion. A trolley, containing a bowl of water is pushed and travels at constant speed. Another student puts his hand in front of the trolley. Some of the water spills forward. WhIch Of Newton's Laws of Motion was the student demonstrating?Group of answer choicesNewton's Law of Universal GravitationMotionNewton's Second Law of MotionNewton's Third Law of MotionNewton's First Law of Motion
Question
A student demonstrates one of Newton's Laws of Motion. A trolley, containing a bowl of water is pushed and travels at constant speed. Another student puts his hand in front of the trolley. Some of the water spills forward. WhIch Of Newton's Laws of Motion was the student demonstrating?Group of answer choicesNewton's Law of Universal GravitationMotionNewton's Second Law of MotionNewton's Third Law of MotionNewton's First Law of Motion
Solution
The student was demonstrating Newton's First Law of Motion. This law, also known as the Law of Inertia, states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. In this case, the trolley and the water were in motion. When the student put his hand in front of the trolley, he applied an unbalanced force that stopped the trolley. However, the water, due to its inertia, continued to move forward and spilled out of the bowl.
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