Question: Physics 20: SUMMER Assignment 6 136 Assignment 6 Unit B Module 1, Lesson 4: Free-Body Diagrams and Net Force Lesson 1 of this assignment is

Physics 20: SUMMER Assignment 6 136 Assignment 6 Unit B Module 1, Lesson 4: Free-Body Diagrams and Net Force Lesson 1 of this assignment is worth 9 marks. The value of each question is noted in the left margin in parentheses. Remember: all net force problems should include a free-body diagram. 1. Beta convinces Alpha to drag their ice-fishing shack to a new location by pulling it with ropes. Alpha applies a force of 150 N [175"] on one rope and Beta applies a force of 175 N [190*] on another rope. What is the net force applied to the shack by Alpha and Beta? Assume the ice is frictionless. Show all work. (6)Physics 20: SUMMER Assignment 6 2. The next day, Alpha decides to move the shack back to its original location. Alpha (having had a nutritious breakfast) is able to pull the 1800 kg shack at a constant velocity with a force of 190 N. Calculate the coefficient of friction between the shack and the ice. Show all work. (3)

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