Quiz on Newton's Laws
This is a useful check point and a summary test includes a set of questions on Newton's Laws
Q 1:
If you pull on a 20-kg wagon with a constant force of 80 N.
What is the wagon's acceleration?
- 0.0 m/s2
- 2.0 m/s2
- 4.0 m/s2
- 5.0 m/s2
2:
If a car runs out of fuel while running, and the engine stops.
The car doesn't stop suddenly because of ........
- speed.
- inertia.
- mass.
- acceleration.
3:
Both ends of a piece of rope are pulled by two people in a tug-of-war contest.
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
Q 4:
Assume that an object's mass get reduced while a constant force acts on it.
In this case, the acceleration .........
- increases.
- decreases.
- stays the same.
- becomes zero.
Q 5:
Flying motion of birds is an example of ............
- newton's first law.
- newton's second law.
- newton's third law.
- conservation of energy.
Q 6:
Action and reaction pair of forces...............
- cancel each other.
- always act on different bodies.
- are both zero.
- represent a case of conservation of energy.
7:
An object in motion tends to remain in motion...............
- because the force is zero.
- is not possible.
- due to energy conservation law.
- without the need of a force.
Q 8:
An object in motion tends to remain in motion is an example of ..............
- newton's first law.
- newton's second law.
- newton's third law.
- conservation of energy.
Q 9:
Newton's second law focuses on ..............
- speed.
- inertia.
- mass.
- acceleration.
Q 10:
Propulsion of fish is an example of..............
- newton's first law.
- newton's second law.
- newton's third law.
- conservation of energy.
Q 11:
If you are attracted toward Earth by a 800-N gravitational force.
Then Earth is attracted towards you with a force of..........
- 0 N
- hard to find
- 400 N
- 800 N
Q 12:
Assume a given net force drives an object along a straight-line path.
If the mass were doubled then its acceleration would............
- be half.
- be double.
- be zero.
- stay the same
Q 13:
Assumne a boat exerts a force of 4,000 N on a jetski that accelerates at 2 m/s2.
What is the mass of the jetski?
- 0 kg.
- 1,000 kg.
- 2,000 kg.
- 3,000 kg.
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