Answer:
1. C.
2. B
Explanation:
1. Newton's first law of motion states that an object's motion will not change unless an unbalanced force acts on the object. If the object is at rest, it will stay at rest. If the object is in motion, it will stay in motion.
2. Option b is your answer
In order to stop the inertia of a object
Force must be applied in opposition
BONUS:
I'm sure you have many questions. And I can give some of their answers too.
BONUS QUESTIONS:
(with answers, answers in the options are in BOLD)
Newton’s first law of motion states than an object’s motion will not change unless
O the net force acting on it is greater than zero.
O a force continues to be applied to the object.
O its inertia is stronger than the applied force.
O the object has no inertia.
20. Overcoming an object’s inertia always requires a(n)
O large mass.
O massive force.
O unbalanced force.
O two of the above
21. It is more difficult to start a 50-kg box sliding across the floor than a 5-kg box because the 50-kg box has greater
O mass.
O inertia.
O volume.
O velocity.
22. An object’s velocity will not change unless it is acted on by a(n)
O net force.
O strong force.
O unbalanced force.
O opposite but equal force.
23. Which force slows a skateboard when a skateboarder puts a foot down to brake?
O motion
O gravity
O friction
O inertia
24. If two arm wrestlers exert a force on each other’s hands, and the hands don’t move, the forces must be ______________________.
O balanced
O unbalanced
O weak
O strong
5
25. The first law of motion says that an object at rest will remain at rest unless …
O it continues in a straight line
O a nearby star acts on it
O an outside force acts on it
O it is placed on a flat surface
26. According to the third law of motion, for every action there is ….
O a force sending it backward
O an equal and opposite reaction
O a greater force pushing on it
O a movement in all directions.
27. If one car moves ahead of another car that is traveling in the same direction, do the cars have the same velocity?
O No, they are traveling in different directions.
O Yes, they are traveling in the same direction.
O No, the cars are traveling at different speeds.
O Yes, the direction and speed of the cars is the same.
28. Do two skaters traveling in different directions at the same speed have the same velocity?
O No, because the direction is different
O No, because the skaters are different
O Yes, because the speed is the same
O Yes, because the acceleration is the same
29. A pull or push that acts on an object is called a(n)
O force
O acceleration
O speed
O gravity
30. __________ is the pull that all objects exert on each other.
O Resistance
O Friction
O Inertia
O Gravity
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