What is the wagon's acceleration?

- 0.0 m/s
^{2} - 2.0 m/s
^{2} - 4.0 m/s
^{2} - 5.0 m/s
^{2}

The car doesn't stop suddenly because of ........

- speed.
- inertia.
- mass.
- acceleration.

If each pulls with a 500-N force, what would be the tension in the rope?

- 0 N
- hard to find
- 500 N
- 250 N

In this case, the acceleration .........

- increases.
- decreases.
- stays the same.
- becomes zero.

- newton's first law.
- newton's second law.
- newton's third law.
- conservation of energy.

- cancel each other.
- always act on different bodies.
- are both zero.
- represent a case of conservation of energy.

- because the force is zero.
- is not possible.
- due to energy conservation law.
- without the need of a force.

- newton's first law.
- newton's second law.
- newton's third law.
- conservation of energy.

- speed.
- inertia.
- mass.
- acceleration.

- newton's first law.
- newton's second law.
- newton's third law.
- conservation of energy.

Then Earth is attracted towards you with a force of..........

- 0 N
- hard to find
- 400 N
- 800 N

If the mass were doubled, its acceleration would............

- be half.
- be double.
- be zero.
- stay the same

What is the mass of the jetski?

- 0 kg.
- 1,000 kg.
- 2,000 kg.
- 3,000 kg.

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Date of last modification: 2022