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please. help mw with his physics 20 (grade11) quiz I HAVE A TIME LIMIT Question 1 A stationary block is at rest on a rough

please. help mw with his physics 20 (grade11) quiz
I HAVE A TIME LIMIT
Question 1 A stationary block is at rest on a rough inclined plane, as shown. If Fo is the force of gravity, FN is the normal force, Not yet answered and Ff is the force of friction, the free-body diagram below that is correct is Marked out of Time left 2:55:15 1.00 Flag question a FN b. F C. F d.Question 2 Person A and person B are pulling on an object unearthed at an archeological dig. They are using ropes at an Not yet angle of 30 from the forward position. Each person pulls with a force of 70 N. The force of friction on the stone is answered 100 N. What is the net force on the stone? Marked out of 1.00 backward forward Flag question 30 A 30 B Select one: O a. 40 N [forward] O b. 21 N [forward] O c. 2.2 x 102 N [forward] O d. 140 N [forward]

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