Topic 2: Mechanics
2.2 Forces
Essential idea: Classical physics requires a force to
change a state of motion, as suggested by Newton
in his laws of motion.
Nature of science: (1) Using mathematics: Isaac
Newton provided the basis for much of our
understan
Physics 111: Mechanics
Lecture 5
Dale Gary
NJIT Physics Department
Applications of Newtons
Laws
Newtons first law
Newtons second law
Newtons third law
Frictional forces
Applications of
Newtons laws Isaac Newtons work represents
one of the greatest
Circula
1.
A
[1]
2.
C
[1]
3.
C
[1]
4.
C
[1]
5.
B
[1]
6.
B
[1]
7.
B
[1]
8.
D
[1]
9.
A
[1]
10.
C
[1]
11.
Linear motion
(a)
(i)
E K = 12 72 23 2 ;
4
= 1.9 10 J;
(ii)
(b)
(i)
2
uses area between the t-axis and the line;
correctly converts area distance (one 1cm 1cm s
Angela Lau
IB Physics I Summer Assignment2016
Question 4
1. All motion is relative.
2. A frame of reference fixed to the Earth is the most
common frame of reference.
3. A frame of reference fixed to the Earth is usually to
observe the motion of other thin
Topic 6.2 Newtons law of gravity
Formative Assessment
NAME: _ TEAM:_
THIS IS A PRACTICE ASSESSMENT. Show formulas, substitutions, answers (in spaces provided) and units!
1. State Newtons universal law of gravitation.
_
2. Explain Newtons shell theorem and
Topic 6.1 Circular motion
Formative Assessment
NAME: _ TEAM:_
THIS IS A PRACTICE ASSESSMENT. Show formulas, substitutions, answers (in spaces provided) and units!
A 7.25-kg bowling ball is being swung horizontally in a clockwise direction (as viewed from
Name Angela Lau
Period 6
BC Calculus
1. y 5 x 3
Derivative Review
3 4 5
x
x
2. y 6 x 3 sin x
3. y
x 3
2
x2 3
4. y e5 x tan x
5. y cos 1 (3 x 2 8 x)
6. y ln sec x
7. y 3 xy 3 x 2 y
8. y tan 1 x cot 1 x
9. y 3 csc 2 x
x2 4
3x 2
10. y
11. y sin 5 e3 x
Topic 2 test Mechanics
Name: _
Class:_
Date:_
Maximum mark = 66
1.
The graph shows the variation with time t of the velocity v of an object.
v
t
Which one of the following graphs best represents the variation with time t of the acceleration a
of the objec