Friction Power Point Test for Power Point Lessons

1. GOOD MORNING!

2. ENERGIZER!

3. REVIEW
 What is force?
 What kind of force is present in a
falling leaf?

4. Identify the 8 letter word that could describe the
four pictures.

6.  Friction is a force that opposes motion
between two surfaces sticking or touching
together.
 Without friction, an object would continue to
move at constant speed forever.

7. In your P.E. class , what do you usually
do?
 How does friction help you with your
P.E. activities?

8. Group Activity

9. Four Types of Friction
 Rolling Friction
 Static Friction
 Sliding Friction
 Fluid Friction

10. What do all these things have in common?

11. Rolling Friction
 Rolling friction is friction
that occurs between surfaces
in motion in which one of
the surfaces is a wheel,
roller, or ball.
 Examples:
 Riding a bike – tires and ground
 Bowling – ball and lane

12. What do all these things have in common?

13. Static Friction
 Static friction is friction
that occurs when the
surfaces in contact are at
rest (not in motion).
 Examples:
 A book resting on a desk.
 A potted plant sitting on a
sidewalk.

14. What do all these objects have in
common?

15. Sliding Friction
 Sliding friction is
friction that occurs
when solid surfaces
slide over one another.
 Examples:
 Writing – pencil point and
paper
 Combing your hair –
surface of comb and
strands of hair

16. What do all these things have in common?

17. Fluid Friction
 Fluid friction is friction between moving objects
and a liquid or between an object moving in the air. .
 Objects moving through fluid, either liquid gas
experience drag or "air resistance".
 All gases and liquids are fluids.
 An airplane and a swimmer both experience fluid
friction.

19. What type of friction?

20. Static Friction

21. What type of friction?

22. Rolling Friction

23. What type of friction?

24. Fluid Friction

25. What type of friction?

26. Static Friction

27. What type of friction?

28. Sliding Friction

29. What type of friction?

30. Fluid Friction

31. Group Activity

32. What is friction?

33.  Friction is a force that opposes motion
between two surfaces sticking or touching
together.
 Without friction, an object would continue to
move at constant speed forever.

34. What are the
four kinds of
friction?

36. Four Types of Friction
 Rolling Friction
 Static Friction
 Sliding Friction
 Fluid Friction

37.  What is the importance of friction in our
daily lives?
 In humans, friction can break up
relationships. Friction in relationships
means disagreement, quarrels, or
misunderstanding. How can you reduce
friction among friends and family members?

38.  Identify the kind of friction shown in the
following situations. Write the letter of the
correct answer from the choices below.
a. Sliding Friction c. Rolling Friction
b. Fluid Friction d. Static Friction
EVALUATION:

39. 1. bowling ball on a bowling lane

40. 2. A child sliding down at the pool slide

41. 3. a bag on a chair

42. 4. A swimmer swimming to the finish line

43. 5. Wheels of a shopping cart

44. Assignment
 Identify the effects of friction