Recitation_11

# Recitation_11 - Recitation 11 1/17 Physics Topics...

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Recitation 11 1/17 Phys 218 Physics Topics Kinematics Forces, Torque, and Work Conservation of Energy Conservation of Momentum Pressure Harmonic Motion

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Recitation 11 2/17 Phys 218 Example 1 A certain suction cup has an air pressure of 80,000 Pa inside the suction cup. The suction cup covers an area of 2 cm 2 . What is the maximum force that the suction cup can exert? What is the largest mass that the suction cup can hold up before failing? F = ___________ m = ___________ 4.2 N 0.428 kg
Recitation 11 3/17 Phys 218 A) The force at B is less than the force at A B) The force at B is greater than the force at A C) Both forces at A and B are the same force What happens to the force at B compared to the force A, given that the area at B is smaller than the area at A? Pressure is constant in this pipe from point A to point B Point A Point B A F B F A A B A Question 1

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Recitation 11 4/17 Phys 218 A crate is submerged in water. Which of the following free body diagrams is correct? A) gravity F B) B F gravity F D) gravity F C) gravity F N B F Question 2
Recitation 11 5/17 Phys 218 Example 2 A A ship is using a chain to pull up its anchor in the ocean. The volume of the anchor is 2.4 m

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Recitation_11 - Recitation 11 1/17 Physics Topics...

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