Warmup #10 Forces II

Course

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The first three questions refer to the material you were to read in preparation for the lesson. Questions one and two require you to write a three or four sentence response. Number three is a multiple choice question. Click in the appropriate circle. Questions 4 is your opportunity to suggest what we should emphasize today and how.

You may change your mind as often as you wish. When you are satisfied with your responses, click the SUBMIT button at the bottom of this page.


1.

A 400 N block sits on an incline as indicated.

What is the static friction force and how do you know?

Can you obtain the coefficient of static friction from the given information?




2.

Which object(s) have the greatest acceleration and why ?.




3.

Two different objects experience a varying force as indicated in the graphs. The one with the larger mass is :

  1. the one on the left
  2. the one on the right
  3. Both have the same mass
  4. more data are needed to answer



4. Below is a space for your thoughts, including general comments about today's assignment (what seemed impossible, what reading didn't make sense, what we should spend class time on, what was "cool", etc.):




You may change your mind as often as you wish. When you are satisfied with your responses, click the SUBMIT button.

I received no help from anyone on this assignment.