Download 2.___MAKE A List OF Chapter concepts: pg.73

Chapter 2 review:
Forces
1.___ DEFINE VOCABULARY: OR ATTACH FLASHCARDS OR DEFINITIONS
Mass
Weight
Gravity
Force
Net force
inertia
Balanced &unbalanced force
Newton
3types of friction
Free fall
projectile
air resistance
Terminal velocity
momentum
thrust
Law of conservation of momentum
satellite
2.___MAKE A LIST OF CHAPTER CONCEPTS: PG.73
3.___DESCRIBE: Newtons: 3 Laws of Motion ; inertia, F =ma, action/reaction
4.___Know these Formulas:
Weight =M x Acceleration due to Gravity (9.8M/sec2)
F=M x A Be able to rearrange formula to solve for Mass or Acceleration
Momentum= M x V
5.If acceleration is 1m/s2 and mass is 0.1 kg What is force? Show work.
6. What is the SI base unit of mass? __________________________
7. The amount of inertia depends on an object’s ___________________.
8. An _______ _______ acting on an object causes an object’s motion to change.
9. kgm/sec2 is the unit of force which is also equal to a _____________.
10 An object in freefall accelerates until it reaches _________ __________.
11. ____________ acts in a direction opposite to the direction of an object’s motion.
12. Forces can be added together only if they are acting on the _______object.
13. .You blow up a balloon and pinch the open end closed, Predict what will happen when
you let go of the balloon in terms of Newton’s third Law of motion. (explain the forces.)
14. When you drop a golf ball to the pavement, it bounces up. Is a force needed to
make it bounce up? ______ If so, what exerts the force? __________________
Which of Newton’s law does this example describe?__________________________
15. Compare your mass and weight on the Earth with an asteroid which is much smaller
than the Earth.
Mass on Earth _________________ Mass on asteroid ___________________
Weight on Earth ________________ Weight on asteroid __________________
On which planetary body would you weigh more and why?
16. Why do slippery fluids like oil reduce sliding friction?
17. One student tosses a chalkboard eraser horizontally so that the eraser hits the
ground 5 meters away. At exactly the same time another students drops an eraser to
the ground. Which eraser hits the ground first? Explain?
18. You are riding fast on a skateboard when your wheel suddenly gets stuck in a crack
on the sidewalk. Using the term inertia, explain what happens.
19. What is the force on a 2,000 kg elevator accelerating at 4m/s2 ? Show your work
20. How fast will a 55 kg cart accelerate if a force of 825 N is applied to it? Show
your work
__21. Attach all vocabulary quizzes from this chapter. 2-1, 2-2, 2-3
__22. Attach the test and test corrections for this chapter.
__23. Attach any other sheets that will help you prepare for this material
After you complete the answers to the study guide questions: MAKE
REVIEW
THE MAIN CHPTR CONCEPTS
SURE TO
(# 2 ABOVE).& TO QUIZ YOURSELF ON VOCAB
For Active studying ideas for this material you can:
__Review the questions in the chapter review section on pgs 74 and 75
__Attach these sheets to study guide.
__Or review the questions at the end of each section.
__Attach these sheets to the study guide.
__Or Create a crossword vocab puzzle for the vocabulary using puzzlemaker.com
and exchange with a friend.
_Or complete a quiz from www.quizlet .com Yours or a friends.