Les 6

• Natuurkunde / Scheikunde
• Middelbare school
• vwo
• Leerjaar 1

Copy these 3 questions

• At what place(s) does friction play a role in each image?

• What role does friction plays at those points?

• Is there a lot of friction or little friction at those points?

What is friction?

Cause, unit, Direction

Copy these 3 questions

• At what place(s) does friction play a role in each image?

• What role does friction plays at those points?

• Is there a lot of friction or little friction at those points?

How do we use friction?

How can friction be reduced?

Todays lesson

• Exercise friction
• Recap friction
• The homework
• §1.4 Gravity

Todays lesson

• Recap friction
• Exercise friction
• The homework
  
• §1.4 Gravity

Goals

• Give examples of how we use friction.
• Explain how friction can be reduced.

Goals

• Give examples of how we use friction.
• Explain how friction can be reduced.

Goals

• Name the cause of gravity.
• Describe mass and weight.

The homework

Todays lesson

• Recap friction
• Exercise friction
• The homework
• §1.4 Gravity

§1.4 Gravity

0

Gravity

What are

Mass and weight?

Gravity

Mass (Kg)	Weight (N)
The amount of matter (stuff) in an object	The amount of force gravity exerts on an object.

Homework

Read: §1.4 (textbook)

Do: yellow block questions §1.4 (textbook)

Goals

• Give examples of how we use friction.
• Explain how friction can be reduced.

• Name the cause of gravity.
• Describe mass and weight.