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Forces Review Flashcards | StudBud
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Forces Review
Forces Review
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newtons laws of motion, first law, second law #physics
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
What is the net force on the box in the upper left?
2000 n
1200 N
400 N
800 N
2
What is the net force on box one?
5 up
5 left
5 down
5 right
3
What is the acceleration of a 5 kg box down an inclined plane of 34° and μ=0.4?
4.23 m/s2
3.25 m/s2
3.23 m/s2
2.23 m/s2
4
When the applied force is larger than friction, the box will ________________.
remain at rest
decelerate
move at a constant speed
accelerate
5
Which of Newton's 3 Laws of Motion is illustrated
first
second
fourth
fifth
6
Which situation will remain at rest, due to balanced forces?
2
4
1
3
7
What is the Net Force acting on the car?
5 newtons
50 newtons
5000 newton
500 newtons
8
Which of Newton's Laws of Motion is illustrated?
First Law
Second Law
Third Law
Fourth Law
9
A 25 kg sled w/ F
app
of 100 N is going 3 m/s
2
, what is the force of friction? g = 10.
75 N
25 N
100 N
300 N
10
Which force of nature keeps the electrons orbiting around the nucleus of the atom?
electromagnetic force
strong force
weak force
gravitational force
11
A bug runs in to a car windshield. Which object experiences the greater force?
can't determine
the car
same
the bug
12
What lift force (app) is required to accelerate a 5000 N helicopter at 3 m/s
2
if g=10 m/s
2
?
15,000 N
6,500 N
1,500 N
150,000 N
13
What is the acceleration of a 5 kg box down a friction-less inclined plane of 34°?
5.49 m/s2
3.49 m/s2
8.13 m/s2
8.49 m/s2
14
A bug runs in to a car windshield. Which object experiences the greater acceleration?
car
bug
same
impossible
15
What is the Net force acting on the vehicle?
13 newtons
7 newtons
20 newtons
27 newtons
16
Which box has a net force of 3 newtons down?
3
4
1
2
17
Which of the 4 forces of nature is considered to be the strongest?
strong
gravity
electromagnetic
weak
18
Find the mass of a bucket that is accelerating out of a well at 2 m/s
2
with rope tension 750 N.
62.5 kg using g = 10 m/s2
75 kg using g = 10 m/s2
35 kg using g = 10 m/s2
22.5 kg using g = 10 m/s2
19
Which cart will have the largest acceleration?
C
A
B
D
20
Which of Newton's Laws is illustrated?
eleventh
first
second
third
