An object, whose mass is 0.640 kg, is attached to a spring with a force constant of 148 N/m. The object rests upon a frictionless, horizontal surface (shown in the figure below). A m The object is pulled to the right a distance A = 0.150 m from its equilibrium position (the vertical dashed line) and held motionless. The object is then released from rest. (a) At the instant of release, what is the magnitude of the spring force (in N) acting upon the object? (b) At that very instant, what is the magnitude of the object's acceleration (in m/s²)? m/s2 (c) In what direction does the acceleration vector point at the instant of release? O Away from the equilibrium position (i.e., to the right in the figure). O Toward the equilibrium position (i.e., to the left in the figure). The direction is not defined (i.e., the acceleration is zero). O You cannot tell without more information.

An object, whose mass is 0.640 kg, is attached to a spring with a force constant of 148 N/m. The object rests upon a frictionless, horizontal surface (shown in the figure below). A m The object is pulled to the right a distance A = 0.150 m from its equilibrium position (the vertical dashed line) and held motionless. The object is then released from rest. (a) At the instant of release, what is the magnitude of the spring force (in N) acting upon the object? (b) At that very instant, what is the magnitude of the object's acceleration (in m/s²)? m/s2 (c) In what direction does the acceleration vector point at the instant of release? O Away from the equilibrium position (i.e., to the right in the figure). O Toward the equilibrium position (i.e., to the left in the figure). The direction is not defined (i.e., the acceleration is zero). O You cannot tell without more information.

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Description: An object, whose mass is 0.640 kg, is attached to a spring with a force constant of 148 N/m. The object rests upon a frictionless, horizontal surface (shown in the figure below).The object is pulled to the right a distance A = 0.150 m from its equil

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter15: Oscillatory Motion

Section: Chapter Questions

Problem 15.11OQ: A block with mass m = 0.1 kg oscillates with amplitude .A = 0.1 in at the end of a spring with force...

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Concept explainers

Simple harmonic motion

Simple harmonic motion is a type of periodic motion in which an object undergoes oscillatory motion. The restoring force exerted by the object exhibiting SHM is proportional to the displacement from the equilibrium position. The force is directed towards the mean position. We see many examples of SHM around us, common ones are the motion of a pendulum, spring and vibration of strings in musical instruments, and so on.

Simple Pendulum

A simple pendulum comprises a heavy mass (called bob) attached to one end of the weightless and flexible string.

Oscillation

In Physics, oscillation means a repetitive motion that happens in a variation with respect to time. There is usually a central value, where the object would be at rest. Additionally, there are two or more positions between which the repetitive motion takes place. In mathematics, oscillations can also be described as vibrations. The most common examples of oscillation that is seen in daily lives include the alternating current (AC) or the motion of a moving pendulum.

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An object, whose mass is 0.640 kg, is attached to a spring with a force constant of 148 N/m. The object rests upon a frictionless, horizontal surface (shown in the figure below).
The object is pulled to the right a distance A = 0.150 m from its equilibrium position (the vertical dashed line) and held motionless. The object is then released from rest.
(a) At the instant of release, what is the magnitude of the spring force (in N) acting upon the object?
(b) At that very instant, what is the magnitude of the object's acceleration (in m/s?)?
m/s2
(c) In what direction does the acceleration vector point at the instant of release?
O Away from the equilibrium position (i.e., to the right in the figure).
O Toward the equilibrium position (i.e., to the left in the figure).
O The direction is not defined (i.e., the acceleration is zero).
O You cannot tell without more information.

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