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Which of these represents Newton's 1st, 2nd, or 3rd law?

A car comes to an abrupt stop and the passengers move forward until their seatbelts stop them.

A person is pushing oars through the water and the canoe moves in the opposite direction

A bookcase filled with books is more difficult to slide across the floor than an empty bookcase.​


Sagot :

Answer:

First: 1st law

Second: 3rd law

Third: 2nd law

Explanation:

The first scenario is the first law of motion, which states that an object remains moving or at rest unless a force is acted on it. In this case, the passengers want to continue moving, but the seatbelts exert a force on them.

The second scenario is the third law of motion, which states for every action, there is an opposite and equal reaction. So, a person pushes on the water, and the water pushes on the person.

The third scenario is the second law of motion because if we would look at the formula of the second law, it would be F=ma, since bookcase with books has a larger mass, it need a large force to be moved.

Answer:
First. 1st law
Second. 3rd law
Third. 2nd law