stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Semester 1 General Physics Review Mashup Flashcards | StudBud
Explore
/
Semester 1 General Physics Review Mashup
What is the minimum speed of a satellite around the Earth?
What is a tension force?
Semester 1 General Physics Review Mashup
37 terms
·
StudBud Administration
·
127 plays
#Physics
Flashcards
37 cards
F
Practice quiz
P
Host live
L
Questions
37
Answers
1
What is a tension force?
Another name for gravity force
tension force is the force that goes through a rope
Friction
Force along a spring
2
What is the minimum speed of a satellite around the Earth?
500 m/s
5000 m/s
8000 m/s
4185 m/s
3
The result of unbalanced forces
constant velocity
acceleration
rest
4
The normal force is:
the force acting parallel to the surface.
the force acting perpendicular to the surface..
the force acting to always oppose motion.
The force of gravity.
5
The Acceleration of Gravity on Earth is closest to which number...
10 m/s2
20 m/s2
1 m/s2
5 m/s2
6
An object is 546 cm long. How many meters is this?
0.546 meters
0.00546 meters
5.46 meters
54.6 meters
7
What is a Free Body Diagram?
a graphical illustration used to visualize the applied forces
3 circles
A graph with a slope
2 squares
8
If the net force on an object is zero, then...
The object must be moving
The object must be stationary
The velocity must be zero
The acceleration must be zero
9
A car is moving, and then doubles its speed. What happened to its Kinetic Energy? (KE=\frac{1}{2}mv^2)
four times as much
half as much
twice as much
one quarter as much
10
How far would you go if you were traveling at 40 m/s for 5 seconds? v=\frac{d}{t}
8 meters
200 meters
40 meters
80 meters
11
What time interval is the object not moving?
0-5 seconds
It is always moving
10-15 seconds
5-10 seconds
12
Which object has the largest Total Energy? TE=KE+PE
A 0.001 Kg penny 100 meters above the ground
A 3Kg seagull flying at 2m/s while 4meters above the ground
A 2,000 Kg elephant sitting
A 500 Kg car rolling at 1.0 m/s
13
You push a box with 50 Newtons of Force a distance of 10 meters. How much work did you do?(W=Fd)
0.2 J
500 J
5 J
50 J
14
What happens to the Potential Energy of an object if you triple its height? (PE_{_g=mgh})
half as much
three times as much
four times as much
twice as much
15
The inertia of an object comes from its:
speed
acceleration
mass
force
16
During which time interval does the object have the greatest speed?
0-5 seconds
10-12.5 seconds
5-10 seconds
It is moving at the same speed the whole time
17
You step off a skateboard, and the skateboard rolls backwards. Which law states this action?
Newton's 3rd Law
Newton's 2nd Law
Newton's 1st law
Conservation of Angular Momentum
18
The sum of all forces acting upon an object is known as:
static force
gross force
net force
kinetic force
19
An object is dropped, and falls for 19 seconds. how high was the object when dropped? (Δy=\frac{1}{2}gt^2)
885 meters
556 meters
1770 meters
2478 meters
20
A car going 30 m/s slows down and stops in 3 seconds. What is the acceleration? (a=\frac{Δv}{Δt})
-10 m/s2
10 m/s2
1 m/s2
-1 m/s2
21
A plan takes off with 2,000 N of thrust. If it has a mass of 10,000 Kg, what is its acceleration (F=ma)
0.2 m/s2
5 m/s2
20 m/s2
0.5 m/s2
22
The Second Postulate of Relativity states...
You cannot go to other planets
Time cannot stop
The speed of light is always constant
Laws of physics must work everywhere
23
Moving near the speed of light, causes...
Depends on the Speed
Energy Loss
Time Dilation
Mass loss
24
If your
mass
is 50kg on Earth, what is your
mass
on the Moon?
Less than 50 Kg
50 Kg
More than 50 Kg
25
Which of the following has the greatest inertia?
a 30 kg fawn
a 0.285 kg TI-84
an 80 kg human
a 0.102 kg apple
26
A plane is flying North at 500 m/s. A wind is blowing south at 100 m/s. The resultant
velocity
of the plane is...
300 m/s West
400 m/s North
500 m/s East
400 m/s South
27
Which of the following is a vector
Energy
Mass
Force
Speed
28
A coaster is at the top of a hill, and falls to the bottom. What principle could be used to find the speed?
Conservation of Angular Momentum
Newton's Laws
Conservation of Energy
Conservation of momentum
29
If you were twice as far away from the center of the Earth, how much weaker is gravity? (F_{_g=G\frac{M_1M_2}{d^2}})
twice as strong
half as much
four times stronger
four times weaker
30
Which object will hit the ground first, if dropped from the same height? (assume no air)
A hammer
A Feather
They hit at the same time
A Bowling Ball
31
Which of the following is a scalar?
Momentum
Time
Velocity
Force
32
The Twin Paradox is an example of...
Space-time
Special Relativity
Time Dilation
Light Speed
33
Which of the following are ways an object can accelerate?
Standing Still
Speeding Up
Slowing Down
Changing Directions
34
Kepler's 1st law states...
Planets sweep equal areas in equal time
Planets farther from the Sun move slower
Planets orbit in elliptical orbits
35
According to newton's 2nd Law, why is it more difficult to accelerate a truck vs. a small car?
Small car has more momentum
Truck has more Momentum
Small car has more mass
Truck has more mass
36
Which principle explains why you feel like falling backwards when a bus starts to move?
Conservation of Momentum
Conservation of Energy
Newton's 3rd Law
Newton's 1st Law
37
An object with mass of 100 Kg is 10 meters high. What is its Potential energy?(PE_{_g=mgh})
About 1100 J
About 10 J
About 10,000 J
About 0.1 J
