which of the following phenomena
applies the first law of motion?
A. A leaf sways back and forth falling from a tree.
B.when a ball falls from the floor, the ball bags back up.
C. When push with the same force a car
accelerates slower than a grocery cart
D.when a cardboard with a coin on top is suddenly pulled,the coin falls into the glass
applies the first law of motion?
A. A leaf sways back and forth falling from a tree.
B.when a ball falls from the floor, the ball bags back up.
C. When push with the same force a car
accelerates slower than a grocery cart
D.when a cardboard with a coin on top is suddenly pulled,the coin falls into the glass
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Answer:
D. When a cardboard with a coin on top is suddenly pulled, the coin falls into the glass
Explanation:
The first law of motion states that objects at rest remains at rest while objects in motion remains in motion unless and external force is applied to the object which would then change its existing state. In the four scenarios given above, only the fourth, letter D, satisfies the conditions and definitions of inertia.
The reason why the coin did not go with the cardboard when the latter was suddenly pulled is because there were minimal forces acting on the coin itself. The force of the pull was only relevant to the cardboard thus the force didn't act on the coin, keeping its "at rest" status.
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