The mechanism shown in the figure (Figure 1) is used to raise a crate of supplies from a ship's hold. The crate has total mass 64 kg Arope is wrapped around a wooden cylinder that turns on a metal ale. The cylinder has radus 0.33 m and a moment of inertia I=22 kg - m about the ade. The crate is suspended from the tree end of the rope. One end of the ade pivots on frictionless bearings, a • Part A crank handie is attached to the other end. When the crank is turned, the end of the handie rotates ahout the ade ina in a vertical circle of radius 0.12 m. the cylinder turms, and the crate is What magnitude of the force Fapplied tangentialy to the rotating crank is required to raise the crate with an acceleration of 1.40 m/s? (You can ignore the mass of the rope as well as the moments of inertia of the axde and the crank) Express your answer in kilonewtons. ? kN Figure < 1 of 1> J0.12 m

The mechanism shown in the figure (Figure 1) is used to raise a crate of supplies from a ship's hold. The crate has total mass 64 kg Arope is wrapped around a wooden cylinder that turns on a metal ale. The cylinder has radus 0.33 m and a moment of inertia I=22 kg - m about the ade. The crate is suspended from the tree end of the rope. One end of the ade pivots on frictionless bearings, a • Part A crank handie is attached to the other end. When the crank is turned, the end of the handie rotates ahout the ade ina in a vertical circle of radius 0.12 m. the cylinder turms, and the crate is What magnitude of the force Fapplied tangentialy to the rotating crank is required to raise the crate with an acceleration of 1.40 m/s? (You can ignore the mass of the rope as well as the moments of inertia of the axde and the crank) Express your answer in kilonewtons. ? kN Figure < 1 of 1> J0.12 m

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Angular speed, acceleration and displacement

Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.

Angular Position

Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.

Question

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Constar
The mechanism shown in the fiqure (Figure 1) is used to raise a crate of supplies from a ship's hold.
The crate has total mass 64 kg. A rope is wrapped around a wooden cylinder that turns on a metal
axle. The cylinder has radius 0.33 m and a moment of inertia I = 2.2 kg m? about the axle. The
crate is suspended from the free end of the rope. One end of the axle pivots on frictionless bearings; a
crank handle is attached to the other end. When the crank is turned, the end of the handle rotates
about the axle in a vertical circle of radius 0.12 m, the cylinder turns, and the crate is raised.
Part A
What magnitude of the force Fapplied tangentially to the rotating crank is required to raise the crate with an acceleration of 1.40 m/s?? (You can ignore the mass of the rope as well as the moments of inertia of the axle and the crank.)
Express your answer in kilonewtons.
F =
kN
Figure
< 1 of 1 >
J0.12 m

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