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Lujan Newton's Laws Test Review
Test Description: 1st Test 4th 9 weeks
Instructions: Answer all questions to get your test result.
1) A group of students are playing tug-of-war. The students on one side of the rope are pulling the students to the other side. What does this example show?
A
displacement
B
unbalanced forces
C
balanced forces
D
acceleration
2) Which of the following is closely associated with inertia?
A
Newton's Third Law of Motion
B
Newton's Second Law of Motion
C
Newton's First Law of Motion
D
action-reaction pair
3) According to Newtons second law of motion, what does force equal?
A
Mass X the speed of light squared
B
Velocity X Direction
C
Mass X Acceleration
D
Distance X Force
4) When a teacher stands at the front of the class, gravity pulls him toward the ground. The ground pushes back with an equal and opposite force. The is an example of
A
The law of conservation of mass
B
Newton's Third Law of Motion
C
Newton's Second Law of Motion
D
Newton's First Law of Motion
5) When your riding in a car and the car suddenly stops, your body continues to move forward. This is an example of
A
Newton's Second Law of Motion
B
The law of conservation of mass
C
Newton's First Law of Motion
D
Newton's Third Law of Motion
6) Suppose you're on a rollercoaster containing 2 cars accelerating at 5 m/s2. The mass of one car is 200 kg. How much force was needed to move the cars?
A
400 N
B
40 N
C
1,000 N
D
2,000 N
7) A spaceship is traveling from Mars to Earth at 15,000 m/s. If no outside force is applied to it, what will happen to its speed over the course of the trip?
A
stay constant
B
changes depending on mass
C
speed up
D
slow down
8) An an ice skater pushes harder with his leg muscles, he begins to move faster. This is an example of ...
A
Newton's Second Law of Motion
B
Law of Conservation of Momentum
C
Newton's First Law of Motion
D
Newton's Third Law of Motion
9) For every action there is an equal but opposite reaction refers to
A
Newton's Second Law of Motion
B
Newton's Third Law of Motion
C
acceleration
D
The Law of Conservation of Momentum.
10) Newton's First Law of Motion is also known as
A
the Law of Conservation of Momentum
B
gravity
C
the Law of Inertia
D
vertical motion
11) What is the formula used for Newton's Second Law of Motion?
A
momentum = mass x volume
B
speed = distance divided by time
C
velocity = acceleration x time
D
force = mass x acceleration
12) Newton's _________ law explains why objects with more mass require more force when they are moved.
A
3rd
B
inertia
C
2nd
D
1st
13) According to Newton's 2nd law, if equal force is applied to 2 objects, A and B, and object A is more massive, then
A
neither A nor B will accelerate.
B
B will have greater acceleration than A.
C
their acceleration will be equal.
D
A will have greater acceleration than B.
14) How much force (N) is required to accelerate a 2.55 kg remote controlled toy car at a rate of 6.00 m/s?
A
2.35 N
B
153 N
C
23.5 N
D
15.3 N
15) Victor kicked a 0.40 kg soccer ball with a force of 8 N, and Jose kicked a 0.20 kg soccer ball with a force of 4 N. Whose ball had the greater acceleration?
A
Their accelerations were the same
B
Jose
C
Victor
D
None of the above
*select an answer for all questions
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