Transcript Newton’s Laws - Lennox Mathematics, Science & Technology

 Notebook
1
◦Learning Targets, Class
Notes, JTPS, IBE, Discussions
 Notebook 2
◦Quick Checks, Prior
Knowledge, Active Practice,
Labs
 Brain
Cards
 Homework
 Labs
 Movie Analysis
 Exams
Name of the concept
Problem/Learning Target:
Write the problem, including diagrams, and the
learning target it addresses (name of key
concept).
Approach-Set-Up-Process
Reasoning / Justification
How do you solve the problem?
Include all important steps of the process, strategies used,
resources used, and relevant given information used.
What is your reason for each step?
Include correct vocabulary and logic used to conclude
the truth of each statement.
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ConnectionsMind Map
What is the connection of this concept to other
concepts?
Include appropriate vocabulary and illustrations.
Name:
______________________________
Date: _____________________
Inertia
An objects
resistance to a
change in motion
Word bank
 Vector
 Magnitude
 Scalar
 Direction
 Component
vector
 Resultant vector
I
can evaluate two
dimensional vectors to
determine the effect on
objects.
+y (up)
+y (up)
-x (left)
+x (right)
(0,0)
-y (down)
-x (left)
-y (down)
+x (right)
Find the missing sides x and y of the
following triangle:
 = 76°
a)
b)
A = 12m, 50 deg.
c)
B = 40m, 300 deg.
d)
C = 1000m, 100 deg.
D = 10m, 210 deg.
Two people are pulling a boat to shore.
They are pulling with the same magnitude.
A  75.0 lb
  35.0
  35.0
B  75.0 lb
C  300. lb
  60.
Determine the,
magnitude, and
direction for the
resultant force.
  30.
D  400. lb
 Three
teenagers push a heavy
crate across the floor. Dion
pushes with a force of 185 N
at 0°. Shirley exerts a force of
165 N at 30°, while Joan
pushes with 195 N force at
300°.
 What is the resultant force on
the crate?

What is the magnitude of the resultant force?
 Create
a mind map
depicting the connections
necessary to solve a 2
dimensional vector
problem.
29. A sign is hung on the side of a building as shown below.
What force diagram
shows this situation?

Fwire on sign
2
1
Fwall on sign

Fwire on sign
 
FEarth on sign
Fwall on sign
3

FEarth on sign

Fwire on sign
Fwall on sign

FEarth on sign
30. Mary pulls on a lawnmower parallel to the ground. The mower
moves at a constant speed up the hill.
Which free body diagram best
represents the forces on the mower?

y
Nsurface on mower
1

x

Ff surface on mower
F
student on mower

FEarth on mower

y Nsurface on mower
3

Ff surface on mower

FEarth on mower
x

Fstudent on mower
2

Nsurface on mower
y

Ff surface on mower

FEarth on mower
4
y
 x
Fstudent on mower

Nsurface on mower

 x
Ff surface on mower
Fstudent on mower

FEarth on mower
Draw
the FBD
If the sled experiences a
frictional force. Determine the
value of this frictional force.

Draw an FBD for each block with forces
defined
Added
to the mind
map you created the
concept of free body
diagrams.