ReviewAssignmentKinetics.docx<\/p>\n
Review Assignment Kinetics
Kinetics, the study of unbalanced forces causing motion, can be analyzed by three methods: inertia force or torque (dynamic equilibrium), work and energy, and impulse and momentum.
Consider the following as you complete your assignment:
\u00b7 For linear motion the inertia force is
\u00b7 Equal to\u00a0 ma
\u00b7 Acting through the center of gravity
\u00b7 Opposite in direction to the acceleration\u00a0
\u00b7 For rotational motion the inertia torque is
\u00b7 Equal to\u00a0C
\u00b7 Opposite in direction to the angular acceleration\u00a0
\u00b7 For a plane motion problem such as a rolling cylinder, try to
\u00b7 Equate or relate linear acceleration to angular acceleration.
\u00b7 Take moments at the rolling point of contact with the surface.
Chapter 13:\u00a0Kinetics
\u00b7 Section: Problems
\u00b7 13-1
Determine the acceleration of the 150-lb block in Figure P13\u20131 if the coefficient of kinetic friction is 0.4.<\/p>\n
a = 9.05 ft\/s^2 \u2192
\u00b7 13-3
A 130-kg cart is accelerated horizontally by a 250-N force pulling at an angle of 20\u00b0 above horizontal. Neglecting rolling resistance, determine the acceleration of the cart.
a = 1.81 m\/s^2
\u00b7 13-7
At what maximum acceleration rate can a 500-N test-strength cable lift a 40-kg mass?
a = 2.69 m\/s^2 \u2191
\u00b7 13-8
What force does a 180-lb man exert on the floor of an elevator that is moving downward and decelerating at 15 ft\/s2?
264 lb
\u00b7 13-20
The coefficient of kinetic friction for mass B in Figure P13\u201320 is 0.25. Determine the acceleration of mass A if it has a mass of (a) 30 kg and (b) 50 kg.
aA = 0.76 m\/s^2 aA = 0
\u00b7 13-36
A 1000-kW generator has a 3500-lb rotor that is accelerated from rest to 3600 rpm in 10 seconds. Determine the torque required. Assume the rotor to be a solid cylinder 40 in. in diameter.
T = 5690 lb-ft
\u00b7 13-41
A 150-mm-diameter shaft with a mass of 20 kg is rotating at 900 rpm. A pulley mounted on the shaft has a mass moment of inertia of 0.15 kg \u22c5 m2. If the shaft and the pulley coast to a stop due to a tangential frictional force of 8lb at the outer radius of the shaft, determine the time required.
58.9 s<\/p>\n
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ReviewAssignmentKinetics.docx Review Assignment Kinetics Kinetics, the study of unbalanced forces causing motion, can be analyzed by three methods: inertia force or torque (dynamic equilibrium), work and energy, and impulse and momentum. Consider the following as you complete your assignment: \u00b7 For linear motion the inertia force is \u00b7 Equal to\u00a0 ma \u00b7 Acting through the … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-37673","post","type-post","status-publish","format-standard","hentry","category-essaywr"],"_links":{"self":[{"href":"https:\/\/academicwritersbay.com\/writings\/wp-json\/wp\/v2\/posts\/37673","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/academicwritersbay.com\/writings\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/academicwritersbay.com\/writings\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/academicwritersbay.com\/writings\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/academicwritersbay.com\/writings\/wp-json\/wp\/v2\/comments?post=37673"}],"version-history":[{"count":0,"href":"https:\/\/academicwritersbay.com\/writings\/wp-json\/wp\/v2\/posts\/37673\/revisions"}],"wp:attachment":[{"href":"https:\/\/academicwritersbay.com\/writings\/wp-json\/wp\/v2\/media?parent=37673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/academicwritersbay.com\/writings\/wp-json\/wp\/v2\/categories?post=37673"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/academicwritersbay.com\/writings\/wp-json\/wp\/v2\/tags?post=37673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}