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PHYS 031 (24)
Jie Yang (24)
Lecture

# Phys 031 Chapter 7A.docx

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School
Department
Physics
Course
PHYS 031
Professor
Jie Yang
Semester
Spring

Description
Chapter 7: Newton’s Third Law 1. Two cars have equal masses. Car B is stopped and Car A runs into the back of Car B. Car B exerts the same amount of force on Car A as A exerts on B. 2. All 3 50 kg blocks are at rest. Is the tension in rope 2 greater than, less than, or equal to the tension in rope 1? The tension is equal. 3. This pulley is set on this frictionless table. If the block is accelerating downwards, is the tension in the string greater, less, or equal to the weight of Block B? The tension is less than the weight of Block B. 4. A small car is pushing a l
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