The systems shown below are in equilibrium with m = 6.60 kg and ? = 25.0°. If the spring scales are calibrated in newtons, what do they read? Ignore the masses of the pulleys and strings and assume the pulleys and the incline are frictionless. Four figures each show different orientations of a spring scale connected to various objects. Figure (a): Two objects of mass m are attached to opposite ends of a horizontal spring scale, one on the left end and the other on the right end. The spring scale is positioned at the center of a horizontal tabletop and between two diagonal pulleys which extend outward from the left and right edges of the table. Separate strings are attached to each end of the spring scale and pass over the nearest pulley before suspending an object of mass m beside the table. Figure (b): A diagonal pulley extends outward from the leftmost edge of a horizontal surface. An object of mass m is suspended from a string which passes over the pulley and anchored at the left end of a spring scale. Another string connects from the right end of the spring scale to a nearby wall. Figure (c): A pulley is suspended from a vertical spring scale hanging from horizontal surface. Two objects of mass m are connected by a string passes over the pulley such that they are allowed to hang freely. Figure (d): An object of mass m is positioned upon an inclined plane of angle ?. A string parallel to the incline connects the object to a spring scale which is also parallel to the incline and positioned closer to the top of the incline. The opposite end of the scale is anchored at the incline's highest point.

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Introduction

Section: Chapter Questions

Problem 45P: In Figure P1.49, find (a) the side opposite , (b) the side adjacent to . (c) cos , (d) sin , and (c)...

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The systems shown below are in equilibrium with m = 6.60 kg and ? = 25.0°. If the spring scales are calibrated in newtons, what do they read? Ignore the masses of the pulleys and strings and assume the pulleys and the incline are frictionless.

Four figures each show different orientations of a spring scale connected to various objects.

Figure (a): Two objects of mass m are attached to opposite ends of a horizontal spring scale, one on the left end and the other on the right end. The spring scale is positioned at the center of a horizontal tabletop and between two diagonal pulleys which extend outward from the left and right edges of the table. Separate strings are attached to each end of the spring scale and pass over the nearest pulley before suspending an object of mass m beside the table.
Figure (b): A diagonal pulley extends outward from the leftmost edge of a horizontal surface. An object of mass m is suspended from a string which passes over the pulley and anchored at the left end of a spring scale. Another string connects from the right end of the spring scale to a nearby wall.
Figure (c): A pulley is suspended from a vertical spring scale hanging from horizontal surface. Two objects of mass m are connected by a string passes over the pulley such that they are allowed to hang freely.
Figure (d): An object of mass m is positioned upon an inclined plane of angle ?. A string parallel to the incline connects the object to a spring scale which is also parallel to the incline and positioned closer to the top of the incline. The opposite end of the scale is anchored at the incline's highest point.

scale in (a): N

scale in (b): N

scale in (c): N

scale in (d): N

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