1P.1 - Introduction to forces Halfway Review

Instructions:

1. Fill in your exam number in the box above.
2. Answer all questions

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1) What is a force?

2) What do we use force arrows for? How do we draw them?

3) What do we measure forces in? What symbol can we use?

4) What is one Newton equivalent to?

5) What happens if forces are combined?

6) How do we calculate whether forces are balanced or unbalanced? How can we tell if a force is negative? What is the 'resultant force'?

7) What is momentum? Pick the most correct answer.

8) How can we change momentum?

9) Why do we need unbalanced forces?

10) What is acceleration dependent on?

11) How can we cause friction?

12) What does the amount of friction depend on?

13) In what direction does friction always act in relation to motion?

14) In what direction does a reaction force work and what size is this force?

15) What is a the name of the force a solid object applies back, when acted upon by another force?

16) What is deformation?

17) How is the force of tension created?

18) When will a spring stop deforming?

19) How do the Big Ideas link to this topic?