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Newtons Laws and Forces Review Flashcards | StudBud
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Newtons Laws and Forces Review
Newtons Laws and Forces Review
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A #physics quiz reviewing #forces, #Newton's laws and #Freebodydiagrams
Flashcards
21 cards
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Practice quiz
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Questions
21
Answers
1
What types of forces are acting on a child sliding down a slide?
Gravity, tension, and friction
Gravity only
Gravity, normal, and friction
Gravity, applied, and normal
2
What force must be applied to a 25000 kg airplane to accelerate it at 5 m/s/s?
.0002 N
125000 N
5000 N
25005 N
3
A crash dummy flew through the window of a car when it crashed. This is an example of...
Newton's 3rd law
Newton's 1st law
Newton's 2nd law
4
Newtons second law involves which quantities?
Inertia and mass
Speed and distance
Mass, force and velocity
Mass, force, and acceleration
5
If Danny applies 35 N of force to a 50 kg cart, how fast will it accelerate?
0.7 m/s/s
1.43 m/s/s
85 m/s/s
1750 m/s/s
6
If Diego yanks a tablecloth out from under a book, the book will not move because it has
A force keeping it in place
Inertia
Constant velocity
7
Newtons third law implies that if Andrey pushes on a skateboard...
The skateboard will accelerate at the same rate as Andrey
the skateboard will push on Andrey but with less force
The skateboard will not accelerate
the skateboard pushes Andrey with an equal amount of force
8
What types of forces are acting on a sled sliding along the ground, pulled by a rope?
Gravity, normal, and friction
Gravity only
Gravity and tension
Gravity, friction, normal, and tension
9
Who do the Chicago Bears play on Sunday?
Saints
Rams
Patriots
They have a bye
10
What is the correct unit for force?
m/s/s
kg
N
m/s
11
A space shuttle flings a rock in outer space. After it leaves the shuttles claw, the rock will…
Continue to accelerate because of the force it was given
Slow down to a stop
Continue at a constant velocity
12
In what direction does the normal force act?
Perpendicular to the surface
Always straight up
Always opposite the force of gravity
Parallel to the surface
13
When do we know to use the force of tension?
When there is a surface
When there is gravity
We can never know
When there is a rope, string, or chain
14
Melissa pushes on a curling rock with 75N of force. It accelerates at 3m/s/s. What is its mass?
0.04 kg
78 kg
225 kg
25 kg
15
What would be the acceleration of a 15 kg ball pushed with 30 N of force?
450 m/s/s
0.5 m/s/s
45 m/s/s
2 m/s/s
16
A car accelerates at 6 m/s/s. Are the forces on this car balanced?
No
Not enough information
Yes
17
True or false: Inertia is a force
False
True
18
Newton's first law states that objects at rest tend to stay at rest unless...
Acted upon by an outside force
acted upon by a balanced force
Objects at rest don't tend to stay at rest.
acted upon by an inside force
19
On a free body diagram, the direction of gravity is
Dependant on the direction of the normal force
To the left
Always straight down
Dependent on the slant of the ground
20
What types of forces are acting on this object?
Gravity, tension, and normal
Gravity and tension only
Normal and tension only
Gravity and applied
21
What is the correct unit for acceleration?
m/s
N
m/s/s
kg
