16. A 0.50-kg object moves on a horizontal frictionless circular track with a radius of 2.5 m. An external force of 3.0 N, always tangent to the track, causes the object to speed up as it goes around. If it starts from rest, then at the end of one revolution the radial component of the force of the track on it is: A) 19 N B) 38 N C) 47 N D) 75 N E) 96 N 17. A 1.5 kg crate falls from a height of 2.0 m onto an industrial spring scale with a spring constant of 1.5x10° N/m. At its greatest compression the reading on the scale is: A) 15 N B) 30 N C) 1.5x103 N D) 2.1x103N E) 3.0x103 N

16. A 0.50-kg object moves on a horizontal frictionless circular track with a radius of 2.5 m. An external force of 3.0 N, always tangent to the track, causes the object to speed up as it goes around. If it starts from rest, then at the end of one revolution the radial component of the force of the track on it is: A) 19 N B) 38 N C) 47 N D) 75 N E) 96 N 17. A 1.5 kg crate falls from a height of 2.0 m onto an industrial spring scale with a spring constant of 1.5x10° N/m. At its greatest compression the reading on the scale is: A) 15 N B) 30 N C) 1.5x103 N D) 2.1x103N E) 3.0x103 N

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 8STP

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