stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Easy Physics H Semester 1 Review Flashcards | StudBud
Explore
/
Easy Physics H Semester 1 Review
Easy Physics H Semester 1 Review
35 terms
·
StudBud Administration
·
6 plays
Imported from external platform
Flashcards
35 cards
F
Practice quiz
P
Host live
L
Questions
35
Answers
1
This free body diagram shows..
an object accelerating to the left
an object with constant velocity to the right
an object accelerating to the right
an object with constant velocity to the left
2
What direction does the Centripetal Force act?
Upward
Inward
Towards the Apex
Tangentially
3
How does mass affect centripetal force?
The bigger the mass the smaller the force is to keep it moving in a circle
The bigger the mass, the bigger the force is to keep it moving in a circle
The bigger the mass the bigger the watermelon
The smaller the mass the bigger the force is to keep it moving in a circle
4
Define Momentum
the quantity of motion of a moving body
going fast for a long time
Endurance
The constant motion of a body in a certain lapse of time
5
What is Mechanical energy
It is how an object moves based on its position and motion
It is energy from windmills
It is energy realeased from stored up motion energy
It is energy from a car
6
The equation for work done is?
Work done=GFS/Distance
Work done=Force x Distance
Work done=Energy x Time
Work done=Distance/Time
7
what is friction?
A force that makes things go faster
A force that opposes motion and slows things down
Another word to describe a ramp
A force that does nothing
8
A force can be described as a?
Push
Pull
Push or Pull
Whack
9
Velocity = Δ-x/Δ-t
True
False
10
What is the net force?
3 N right
17 N
0 N
3 N left
11
velocity / time graph
moving forward, speeding up
moving backward, speeding up
moving forward, slowing down
moving backward, slowing down
12
To have the
greatest
centripetal force, you need the:
Least Mass.
Who knows? Its Math... I can't do that!
Mass Doesn't Matter.
Most Mass.
13
To have the
greatest
centripetal force, you need the:
Longest Radius.
Who knows? Its Math... I can't do that!
Radius Doesn't Matter.
Shortest Radius.
14
Newton's Three Laws
Inertia, Acceleration, and Action-Reaction
None of the above
Motion,Inertia, and Action-Reaction
Push,Pull,and Hold
15
In a uniform circular motion, the direction of the acceleration of an object goes
inward
outward
tangent to the circular path
16
Power is
The ratio of force to work
The Rate at which work is done by a force
The percent of work done by a force
The rate that force does work on an object
17
What is torque?
Acceleration
A push or pull
A force that causes twisting, turning, torsion, and rotation of something
Turning momentum
18
The normal force always
works against the motion of the object
is perpendicular to the surface
acts on an object
is equal to the weight
19
1. As we move away from the Sun, the force of gravity gets weaker by an inverse of:
distance squared
distance
distance cubed
20
A vector has
magnitude and speed
magnitude and time
magnitude and direction
time and direction
21
Inelastic Collision is?
2 objects colliding and becoming 1
3 objects colliding and becoming 2
a terrible accident
3 objects colliding and becoming 1
22
What are the SI units for both Mass and Weight
Ptt and N
big bod
kg and N
Kg and K
23
Which of these is a Vector quantity?
Speed
Displacement
Mass
Temperature
24
Define the first law of thermodynamics
Heat energy can be created and destroyed
Heat energy cannot be created or destroyed
Heat energy can not be created but it can be destroyed
heat energy can be created but not destroyed
25
What do Free Body Diagrams Represent?
Weight of an object
Temperature of an object
Forces on an object
Density of an object
26
Centripetal acceleration?
F=ma
ac=r/v2
ac=v2/r
Fc=mac
27
What is an elastic collision?
A collision where both momentum and Kinetic Energy are conserved
A collision where no kinetic energy is conserved
A collision where energy is converted into sound or heat
A collision where only momentum is conserved
28
Which of the following does torque NOT depend on?
the amount of time the force is applied
the direction of the force
the magnitude of the force
point where force is applied relative to axis of rotation
29
What is physics about?
The study of the human body such as the brain and cells
Idk just science
Smart Science things
The nature of basic things as motion, etc.
30
What is potential energy?
The energy an object has due to its speed.
The energy an object has due to its volume.
The stored energy of an object due to its position or condition.
The energy that an object has due to its motion.
31
Kinetic energy depends on
speed and height
mass and height
speed and pressure
mass and speed
32
In physics, impulse can be described as:
a sudden strong and unreflective urge or desire to act.
the change in momentum
Force x time
a form of energy in collisions
33
One of the main characteristics of uniform circular motion is......
Constant tangential velocity
Constant tangential speed.
Constant acceleration directly outward the centre.
Fixed radius.
34
Define Newton's second Law
gEt OuT oF mY cLaSs RoOm BoY. YoU CaNt Be heRe!!
Its the picture SHERLOCK!!
The Acceleration Of An Object Equal To The Net Force Acting On The Object
The Net Force Of An Object Equal To The Acceleration Acting On The Object
35
What is DISPLACEMENT?
Where you end.
Where you start.
The time it takes you to get from point A to point B.
How far away you are from where you started.
