Physics Laboratory Experiments
Physics Laboratory Experiments
8th Edition
ISBN: 9781285738567
Author: Jerry D. Wilson, Cecilia A. Hernández-Hall
Publisher: Cengage Learning
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Chapter 14, Problem 1ASA

(a)

To determine

The condition of translational equilibrium.

(a)

Expert Solution
Check Mark

Answer to Problem 1ASA

The condition for body to be in translational equilibrium when the total forces acting upon the body is zero.

Explanation of Solution

An object is said to be in static equillibrium when the object is moving with zero veolcity or it does not rotate at all. There are two types of static equillibrium:

  • Translational equilibrium
  • Rotational equilibrium

A body is said to be in the translational equilibrium if the net sum of forces on particle is zero i.e F=0. The body is at rest or it is moving with uniform velocity. The total external force acting upon body is zero.

Conclusion:

Thus, the condition for body to be in translational equilibrium when the total forces acting upon the body is zero.

(b)

To determine

The condition of rotational equilibrium.

(b)

Expert Solution
Check Mark

Answer to Problem 1ASA

The body is said to be in rotational equilibrium when the total torque acting upon body is zero.

Explanation of Solution

The condition for a body to be in rotational equilibrium is that the net torque acting upon body is zero or no torque acting on it.

The body under rotational equillbrium will be rotating with uniform angular velocity or not roating at all. That is the body do not experience angular acceleration.

Conclusion:

Thus, the body is said to be in rotational motion when the total torque acting upon body is zero.

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Which of the following is the condition for the rotational equilibrium? The sum of the clockwise moments about any pivot is less than the sum of the anti-clockwise moments about A. that pivot The sum of torques due to all the external forces acting on the body is greater than zero (c) The sum of torques due to all the external forces acting on the body is less than zero The sum of the clockwise moments about any pivot equal the sum of the anti-clockwise moments about that pivot Which of the following is the product of the lever-arm distance and the perpendicular force to the lever-arm? A Force B Acceleration Torque Pressure
The two requirements for equilibrium are a. (1) v= 0, (2) L = constant b. (1) P = 0, (2) L = constant %3D c. (1) Fnet = 0, (2) torque(net) = 0 d. (1) angular velocity = 0, (2) L = constant
For a rigid body in equilibrium, identify the true statements about the action of a system of external forces.  (Check all that apply.)       It imparts translational motion.     It imparts rotational motion.     It imparts no rotational motion.     It imparts no translational motion.
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Rotational Kinetic Energy; Author: AK LECTURES;https://www.youtube.com/watch?v=s5P3DGdyimI;License: Standard YouTube License, CC-BY