REVIEW WEEKREVIEW WEEK

Day 2Day 2

VectorsVectors

1. What is the difference between a scalar and vector quantity?

2. Can acceleration be negative?

3. If vectors are going in the same direction you must _____

4. If they are going in opposite directions you must _____

5. If an object moves then comes back to its original position its distance vector is: _______

GravityGravity

1. Does an object have a different mass in different gravitational fields?

2. What is the difference between mass and weight?

3. A measurement of gravitation acting on a mass is known as its _______

4. What is the acceleration of gravity?

Gravity cont.Gravity cont.

5. How does increasing mass effect gravity?

6. Do heavier objects fall faster, why/ why not?

7. What is terminal velocity?

8. As the earth’s pulls you down, you also_________

ProjectilesProjectiles

1. Does lateral motion affect the acceleration of gravity

2. What is the optimum angle for launching a projectile if there is/isn’t air resistance?

3. What did Newton mean by an object that falls all the way around the earth?

4. Why must a satellite be above the earth’s atmosphere?