Chap 2 force & motion

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1. The document discusses the concept of momentum and how the total momentum before a collision equals the total momentum after the collision. 2. It explains elastic and inelastic collisions and the equations that relate the masses and velocities of objects before and after collisions. 3. Examples are provided to demonstrate how to use the momentum equations to solve problems involving collisions.

Technology Business

TOTAL = TOTAL
MOMENTUM MOMENTUM
BEFORE AFTER
COLLISION COLLISION

MOTION PRINCIPLE

- VE (VELOCITY)

+ VE (VELOCITY)

m1 m2 m2
m1

u1 u2 v1 v2

m1u1 + m2u2 = m1v1 + m2v2

M1u1 + m2u2 = M1v1 + m2v2

=

22 = 9 + 2v

=

m1 m2 m1 m2

u1 u2 v

m1u1 + m2u2 = (m1 + m2)v

M1u1 + m2u2 = M1v1 + m2v2

=

2 = - 9 + 2v2

=

CHANGE
CHANGE THE
ORIGINAL
SHAPE
STATE

???????????

EXP:

A FORCE OF 10N ACTS ON AN
OBJECT OF MASS 5KG ON A
SMOOTH FLOOR. FIND ITS
ACCELERATION

F=10N a= ?

F = ma
10 = 5a
a = 2 ms-2

1

FIND THE TENSION AND THE
ACCELERATION

2 LET’S
TRY

FIND THE TENSION AND THE
ACCELERATION

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Chap 2 force & motion

1. momentum

5. CONCEPT OF MOMENTUM

6. TOTAL = TOTAL MOMENTUM MOMENTUM BEFORE AFTER COLLISION COLLISION

7. MOTION PRINCIPLE - VE (VELOCITY) + VE (VELOCITY)

8. - -

10. CONCLUSION…..

11.

12.

13. ELASTIC COLLISION

14. m1 m2 m2 m1 u1 u2 v1 v2 m1u1 + m2u2 = m1v1 + m2v2

15. M1u1 + m2u2 = M1v1 + m2v2 = 22 = 9 + 2v =

16. m1 m2 m1 m2 u1 u2 v m1u1 + m2u2 = (m1 + m2)v

17. M1u1 + m2u2 = (m1 + m2)v = 24 = 5v =

18.

19. 1 2

20. 3 Handout 4

21.

22. M1u1 + m2u2 = M1v1 + m2v2 = 2 = - 9 + 2v2 =

23. M1u1 + m2u2 = (m1 + m2)v = =

24. EXPLOSION

25.

26.

27.

28.

29.

30.

31.

32.

33. CHANGE CHANGE THE ORIGINAL SHAPE STATE ???????????

34.

35.

36.

37.

38.

39.

40.

41.

42.

43.

44.

45. EXP: A FORCE OF 10N ACTS ON AN OBJECT OF MASS 5KG ON A SMOOTH FLOOR. FIND ITS ACCELERATION F=10N a= ? F = ma 10 = 5a a = 2 ms-2

46.

47.

48.

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50.

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72. 1

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76. 2

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91.

92.

93.

94. 1 FIND THE TENSION AND THE ACCELERATION

95. T T W W

96.

97. 2 LET’S TRY FIND THE TENSION AND THE ACCELERATION

Chap 2 force & motion

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