Understanding Friction
Try to do this:
Rub your hands together.
How does it feel rubbing it?
What is Friction?
Friction is a force that opposes motion
between two surfaces touching each other.
Effects of Friction
1.Friction helps people convert on form of
motion into another.
2.Friction helps in avoiding accidents...
Types of Friction
1. Static Friction- occurs in stationary
objects.
Types of Friction
2. Sliding Friction- also called dry friction;
occurs when to object rub or slide against
each other.
Types of Friction
3. Rolling Friction- when an object roll on
a surface; there is a presence of a circular
object that cau...
Types of Friction
4. Fluid Friction- the friction between a
solid object and the liquid or gas it is
moving in.
How does Friction Affects Motion?

EXPERIMENT
TIME!
Procedures:
1. Put a starting line on the table using the masking tape.

2. Measure two feet from the starting line. Mark ...
Application:
a. Why do we have to use oil or
lubricants for rusted machines or
tools?
b. Why is it easier to transfer obje...
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Friction

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Friction

  1. 1. Understanding Friction
  2. 2. Try to do this: Rub your hands together. How does it feel rubbing it?
  3. 3. What is Friction? Friction is a force that opposes motion between two surfaces touching each other.
  4. 4. Effects of Friction 1.Friction helps people convert on form of motion into another. 2.Friction helps in avoiding accidents like slipping, stumbling and falling down. 3.Friction makes object stop moving. 4.Friction produces heat.
  5. 5. Types of Friction 1. Static Friction- occurs in stationary objects.
  6. 6. Types of Friction 2. Sliding Friction- also called dry friction; occurs when to object rub or slide against each other.
  7. 7. Types of Friction 3. Rolling Friction- when an object roll on a surface; there is a presence of a circular object that causes the rolling.
  8. 8. Types of Friction 4. Fluid Friction- the friction between a solid object and the liquid or gas it is moving in.
  9. 9. How does Friction Affects Motion? EXPERIMENT TIME!
  10. 10. Procedures: 1. Put a starting line on the table using the masking tape. 2. Measure two feet from the starting line. Mark it using the masking tape. 3. Stick the sand paper on the table using the masking tape. Make sure that the edge of the sand paper is touching the starting line. 4. Slide the five peso across the sand paper. 5. Measure how far the five peso coin moved from the finish line. 6. Remove the sandpaper from the table. 7. Put some powder on the table from the starting up to the finish line. 8. Slide the five peso coin 9. Measure how far the five peso coin moved from the finish line.
  11. 11. Application: a. Why do we have to use oil or lubricants for rusted machines or tools? b. Why is it easier to transfer objects using trolley or cart rather than pulling or pushing it?
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