Name: _____________________ Date: ________ Period: ____
Chapter 4
Reading guide, pg. 87-107
1.
What is Newton’s Second Law?
2.
Table 4-2 has a list of different kinds of forces. Briefly describe each of their 6 kinds of forces.
3.
What does it mean if an object is in equilibrium?
________________________________
4.
The last paragraph of Section 4.1 cautions us about misconceptions with physics. What does
the book tell you to ‘ask yourself’ if you ‘analyze a situation’ and get a result different from what you
would expect?
________________________________________________________________
5.
Look at figure 4-7 on page 96. The force from the springs in the scale is equal to what?
6.
Look at figure 4-9 on page 98. When the elevator accelerates upwards, is the force from the
spring greater than, less than, or equal to your weight? ________________________________
7.
In the paragraph to the right of the picture, how does the book say you would you feel if the
elevator was accelerating downwards?
8.
On the same page, how would you have to accelerate in order to feel weightless?
9.
What does terminal velocity come from?
10.
What does normal force come from? _____________________________________________