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Physics 151 Week 8 Day 1 Topics  Working with tilted coordinate systems  Applying Newton’s 1st Law of Motion  Force and Motion Graphs Applying Newton’s.

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Presentation on theme: "Physics 151 Week 8 Day 1 Topics  Working with tilted coordinate systems  Applying Newton’s 1st Law of Motion  Force and Motion Graphs Applying Newton’s."— Presentation transcript:

1 Physics 151 Week 8 Day 1 Topics  Working with tilted coordinate systems  Applying Newton’s 1st Law of Motion  Force and Motion Graphs Applying Newton’s Laws of motion

2 F net = 0 Problems The cable at left exerts a -30 N force. a.Write the equation for the sum of the forces in the x-direction. What is the value of T 2 ? b. Write the equation for the sum of the forces in the y-direction. What is the force of gravity acting on the ball? 30  T2T2 T1T1

3 Gravitational Force & Coordinate Systems Slide 4-19 A. B. C. D. E. Can’t tell what F g,y is

4 Equilibrium

5 Force and Motion Graphs

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