With a spring, force is proportional to extension

Gravitational Potential Energy

Energy stored in objects resting at the top of a hill

Hooke's law states....

The force is proportional to extension until elastic limit

Which of the following objects has the most gravitational potential energy?

An apple attached at the top of a tree

Elastic Potential Energy

Energy stored in objects that stretch

At which location is the gravitational potential energy the greatest?

At the top of a roller coasters first hill

is the energy of mass in motion

Describes Hooke's Law

a solid is proportional to the applied stress within the elastic limit.

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Questions 21

Answers

1
What is Hooke's Law?
Springs provide a force when compressed or stretched
Springs stop acting elastically past the yield point
With a spring, force is proportional to extension
With a spring, force is inversely proportional to extension
2
Gravitational Potential Energy
Energy stored in objects resting at the bottom of a hill
Energy stored in a spring
Energy stored in objects that stretch
Energy stored in objects resting at the top of a hill
3
Kinetic to Potential Energy
D
B
C
A
4
Kinetic Energy
A
D
C
B
5
Hooke's Law
F=kx
F=Ma
F=k/x
x/f=k
6
What is the name of our recent topic?
Work and Energy
No idea
Newton's Laws
Work and Potential
7
What does K stand for in Hooke's Law?
The displacement
The force
The weight
The spring constant
8
What is Kinetic Energy
Moving Energy
Stored Energy
Energy that stays still
Forced Energy
9
Hooke's law states....
Force is proportional to extension for constant Temperature
The force is always proportional to extension
The force is proportional to extension until elastic limit
Force is proportional to extension in plastic region
10
Which of the following objects has the most gravitational potential energy?
A sandcastle on a beach
An apple falling from the bottom branch of a tree
A cat sitting on a bed
An apple attached at the top of a tree
11
Kinetic energy depends on
mass and speed
speed and pressure
speed and height
mass and height
12
Is this True or False? Work done = Energy Transferred
False
True
13
Elastic Potential Energy
Energy stored in objects resting at the top of a hill
Energy that can't be stored
Energy that is movement
Energy stored in objects that stretch
14
What is the unit of Energy?
Coulombs
Joules
Kilowatt
joules
15
this is an example of kinetic energy
False
True
16
In Hooke's Law what are the units of the spring constant ?
N/m2
m
N
N/m
17
Hooke's law states
E = 1/2 mv2
E = 1/2 kx2
F = ma
F = kx
18
At which location is the gravitational potential energy the greatest?
At the top of a roller coasters first hill
At bottom of slide
On a diving board
In a car
19
kinetic energy is...
:)
an object has because of the movement of its molecules, and heat
is the energy of mass in motion
in physics, the capacity for doing work
20
Describes Hooke's Law
a solid is proportional to the applied stress within the elastic limit.
F = m × a
speed=distance-time
An object will remain still unless something moves it.
21
Work done = force x distance. What is the equation for force?
Force = distance \divw.d
Force = distance
force = w.d x distance
Force = w.d \divdistance

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