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 4, Problem 5EP

Check with one of your fellow students (or your instructor) to see if the results agree. Notice that there are no other forces acting in the direction of motion (remember, no air resistance). Then, use this force component in Newton’s second law and solve for a. Does your result for the acceleration of the bob (and ultimately its pattern of motion) include the mass?

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An object of mass m has these three forces acting on it (there is no normal force, "no surface"). F1 = 1 N, F2 = 10 N, and F3 = 4 N. When answering the questions below, assume the x-direction is to the right, and the y-direction is straight upwards. What is the magnitude of the net force, in newtons?  What is the angle θ, in degrees, of the net force, measured from the +x-axis? Enter an angle between -180° and 180°.  What is the magnitude, |a| of the acceleration, in meters per square second, if the block has a mass of 8.9 kg?
A block of mass M is pulled along a horizontal, flat, and smooth (no friction) surface by a rope of mass m, on which a force ?⃗is acting. If we consider that the rope does not stretch out when it is pulled, then the block and rope will move under the same acceleration. Determine the value of such acceleration. Now, if the mass of the rope m is much smaller than the mass of the block M, then what is the approximate value of the acceleration?
Solve Prob. 3.110, assuming that P = 138 N.(Reference to Problem 3.110):To test the strength of a 625 × 500-mm suitcase, forces are applied as shown. If P= 88 N, (a) determine the resultant of the applied forces, (b) locate the two points where the line of action of the resultant intersects the edge of the suitcase.
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