stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Newtons Laws and Forces Review Flashcards | StudBud
Explore
/
Newtons Laws and Forces Review
Newtons Laws and Forces Review
21 terms
·
StudBud Administration
·
44 plays
A #physics quiz reviewing #forces, #Newton's laws and #Freebodydiagrams
Flashcards
21 cards
F
Practice quiz
P
Host live
L
Questions
21
Answers
1
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
acted upon by an inside force
Objects at rest don't tend to stay at rest.
2
Melissa pushes on a curling rock with 75N of force. It accelerates at 3m/s/s. What is its mass?
25 kg
0.04 kg
78 kg
225 kg
3
What is the correct unit for acceleration?
m/s/s
m/s
N
kg
4
What is the correct unit for force?
m/s/s
kg
m/s
N
5
What types of forces are acting on this object?
Gravity and applied
Tension only
Gravity and tension only
Gravity only
6
A car accelerates at 6 m/s/s. Are the forces on this car balanced?
Not enough information
No
Yes
7
On a free body diagram, the direction of gravity is
To the left
Always straight down
Dependant on the direction of the normal force
Dependent on the slant of the ground
8
What force must be applied to a 25000 kg airplane to accelerate it at 5 m/s/s?
25005 N
125000 N
.0002 N
5000 N
9
When do we know to use the force of tension?
We can never know
When there is a surface
When there is a rope, string, or chain
When there is gravity
10
A crash dummy flew through the window of a car when it crashed. This is an example of...
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
11
What types of forces are acting on a child sliding down a slide?
Gravity, applied, and normal
Gravity, tension, and friction
Gravity only
Gravity, normal, and friction
12
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
13
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
Continue at a constant velocity
Slow down to a stop
14
Newtons second law involves which quantities?
Speed and distance
Mass, force and velocity
Inertia and mass
Mass, force, and acceleration
15
If Danny applies 35 N of force to a 50 kg cart, how fast will it accelerate?
85 m/s/s
1.43 m/s/s
0.7 m/s/s
1750 m/s/s
16
Which of the following factors does not affect air resistance?
Speed
Shape
Spin
Size
17
Momentum describes...
The balanced forces on a falling object with constant speed.
How much force is needed to change an object's motion.
How much velocity changes in a given amount of time.
The tendency of an object to resist a change in motion.
18
Newtons third law implies that if Andrey pushes on a skateboard...
the skateboard pushes Andrey with an equal amount of force
the skateboard will push on Andrey but with less force
The skateboard will accelerate at the same rate as Andrey
The skateboard will not accelerate
19
True or false: Inertia is a force
True
False
20
What types of forces are acting on a sled sliding along the ground, pulled by a rope?
Gravity and tension
Gravity only
Gravity, friction, normal, and tension
Gravity, normal, and friction
21
What would be the acceleration of a 15 kg ball pushed with 30 N of force?
45 m/s/s
0.5 m/s/s
2 m/s/s
450 m/s/s
