6TH EGB

Class, class, class! YES_YES_YES

Great, now we can proceed:

Read pages F10-F12 and answer the following questions. Make sure this HW is in your NB (in word if you like, but paste it)

Changes in Motion 2

1. One _______________ is the force required to accelerate a mass of 1Kg at 1m/s per second.

2. ______________ is a force that causes objects with mass to be attracted, or pulled, toward one another.

3. ______________ is a contact force that resists the motion of one surface across another surface.

4. What is Newton`s second law? Explain and provide one example.

5. What are three ways an object may accelerate?

6. What`s the average speed of a train that travels 840 km in 2 hours?

7. What is the difference between velocity and acceleration?

8. Paulo walks 30km per hour towards the North. This is an example of: velocity, speed or acceleration

9. A car travels 160km in 2 hours. This is an example of: velocity, speed or acceleration

10. A peregrine falcon is traveling at 120km per hour towards the east but he sees a prey and and isnow traveling at 320 km/h. This is an example of: velocity, speed or acceleration