PHYS 2010 Exam 1 Questions with Correct Answers (Grade A+)
Question 1: SI unit of length, mass, time, force
Answer: m, kg, s, N
Question 2: object speeding up on motion diagram
Answer: dots getting further apart
Question 3: object slowing down on motion diagram
Answer: dots getting closer together
Question 4: 5 things to do on motion diagrams
Answer: 1. draw dots 2. label start and stop 3. label timestamps 4. specify uniform motion, speed increasing,
or speed decreasing 5. draw velocity vectors
Question 5: 2 quantities of vectors
Answer: magnitude and direction
Question 6: uniform motion
Answer: constant speed and direction
Question 7: velocity on a position vs time graph
Answer: slope
Question 8: acceleration on a velocity graph
Answer: slope
Question 9: position on a velocity vs time graph
Answer: area
Question 10: speed vs velocity
Answer: velocity has direction and is displacement/time whereas speed is actual distance traveled/time
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Question 1: SI unit of length, mass, time, force
Answer: m, kg, s, N
Question 2: object speeding up on motion diagram
Answer: dots getting further apart
Question 3: object slowing down on motion diagram
Answer: dots getting closer together
Question 4: 5 things to do on motion diagrams
Answer: 1. draw dots 2. label start and stop 3. label timestamps 4. specify uniform motion, speed increasing,
or speed decreasing 5. draw velocity vectors
Question 5: 2 quantities of vectors
Answer: magnitude and direction
Question 6: uniform motion
Answer: constant speed and direction
Question 7: velocity on a position vs time graph
Answer: slope
Question 8: acceleration on a velocity graph
Answer: slope
Question 9: position on a velocity vs time graph
Answer: area
Question 10: speed vs velocity
Answer: velocity has direction and is displacement/time whereas speed is actual distance traveled/time
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