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Forces In Motion Lesson 2 Newtons Laws
Test Description: This covers Newton's 3 Laws of Motion
Instructions: Answer all questions to get your test result.
1) Newton's first law of motion applies
A
to moving objects
B
to objects that are not moving
C
Both (a) and (b)
D
to objects that are accelerating
2) A 5 kg object has less inertia than a ____ object. (1 kg = 1000 g)
A
4 kg
B
1500 g
C
6000 g
D
2 kg
3) According to Newton's first law of motion, a moving object that is not acted on by an unbalanced force will
A
accelerate in the absence of friction
B
transfer its energy to another object
C
eventually come to a stop
D
remain in motion
4) Newton's second law of motion states that an object's acceleration
A
decreases as its mass increases and as the force acting on it increases
B
increases as its mass increases and as the force acting on it increases
C
increases as its mass decreases and as the force acting on it increases
D
decreases as its mass decreases and as the force acting on it increases
5) The acceleration of an object
A
is not related to the direction that the force was applied
B
is always in the same direction as the force
C
None of the above
D
is always in the direction opposite to the direction that the force was applied
6) Use Newton's second law of motion to calculate the acceleration of a 7 kg mass if a force of 68.6 N acts on it?
A
9.8 m/s/s
B
480.2 m/s/s
C
0.1 m/s/s
D
68.6 m/s/s
7) Which one has the MOST momentum?
A
the midsize van
B
the empty truck
C
the fully-loaded truck
D
the small car
8) If all the vehicles brake at the same time because there is a collision ahead, which one will come to a complete stop FIRST?
A
the fully-loaded truck
B
the empty truck
C
the midsize van
D
the small car
9) If a car driver suddenly makes a sharp turn, the passenger slides to the side of the car because of
A
inertia
B
free fall
C
gravity
D
friction
10) When you bump into someone standing still, you can knock them over because of
A
gravity
B
projectile motion
C
momentum
D
friction
*select an answer for all questions
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