Why is Newton's first law correct even though real-world objects tend to eventually stop moving instead of remaining in motion?

Which of the following situations best illustrates Newton's first law?

Momentum is best defined as

Which of the following statements about momentum is always true?

A 0.25 kg ball is rolled across the floor with a velocity of 3.5 m/s. What is the ball's momentum?

The manufacturer of a bulletproof vest wants the vest to be able to stop a bullet with a mass of 0.4 kg and a velocity 1800 m/s. What is the momentum?

A car is traveling with a velocity of 35.4 m/s. The mass of the car is 2000 kg. What is the momentum of the car?

A 0.145 kg baseball is thrown with a velocity of 40 m/s. What is the baseball's momentum?

Joan has a physics problem to solve. The mass is 50kg and the velocity is 2 m/s. Her answer is 10 kgxm/s. Is her answer correct?

Esme's 0.28 kg ball rolls at 1.4 m/s. Danielle's ball has the same mass but a velocity of 2.3 m/s. Which ball has the most momentum?

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