A 300 g block is dropped onto a relaxed vertical spring with spring constant k = 250 N/m. The block compresses the spring 12 cm before momentarily stopping. a. Draw the free body diagram of the block while it is in contact with the spring. b. What is the work done on the block by the spring force? c. What is the speed of the block just before it hits the spring?

A 300 g block is dropped onto a relaxed vertical spring with spring constant k = 250 N/m. The block compresses the spring 12 cm before momentarily stopping. a. Draw the free body diagram of the block while it is in contact with the spring. b. What is the work done on the block by the spring force? c. What is the speed of the block just before it hits the spring?

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.78P: The figure shows a steel bar being processed by a rolling mill. Given that P=80kN and r =0.016,...

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