phys111_sep16_lecture.pdf

# phys111_sep16_lecture.pdf - Chapter Five Applying Newtons...

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• Yousef95
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Chapter Five Applying Newton’s Laws

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Goals for Chapter 5 To use Newton’s first law for bodies in equilibrium ...when a body is at rest or moving with constant velocity. To use Newton’s second law for accelerating bodies ...in other words, objects that are not in equilibrium: what is the relationship between forces & motion? To study the types of friction and fluid resistance To solve problems involving circular motion
A4.5 A B F A. the acceleration is greater than if B were on the left and A were on the right. B. the acceleration is less than if B were on the left and A were on the right. C. the crates will not move if F is less than the combined weight of A and B. D. none of the above is correct A lightweight crate (A) and a heavy crate (B) are side by side on a frictionless horizontal surface. If you apply a horizontal force F to crate A,

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A4.9 A person pulls horizontally on block B, causing both blocks to move horizontally as a unit. There is friction between block B and the horizontal table. If the two blocks are moving to the right at constant velocity, A. the horizontal force that B exerts on A points to the left. B. the horizontal force that B exerts on A points to the right. C. B exerts no horizontal force on A. D. not enough information given to decide Clicker Question 5.1
A4.9 A person pulls horizontally on block B, causing both blocks to move horizontally as a unit. There is friction between block B and the horizontal table.

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• Spring '08
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