[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-665525-105":3,"detail-sidebar-cat-0-en-105":80,"doc-detail-665525-en":130},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":73,"head_meta":75,"extra_data":77,"updated_unix":79},105,"en","module-04-lesson-3-free-body-diagrams","Module 04 - Lesson 3 - Free Body Diagrams","","This educational document provides a structured set of physics problems focused on the application of free body diagrams in mechanics. It challenges students to analyze systems including a suitcase pulled on a frictionless surface, a bird-feeder suspended from a branch, and two crates pushed by a horizontal force on a frictionless surface. By tasking learners with drawing and labeling forces, the material strengthens foundational understanding of vector representations, contact forces, and gravitational interactions in static and dynamic physical scenarios. The problems are designed to test the learner's ability to identify all acting forces and interpret the conditions for motion, effectively bridging theoretical physics concepts with practical, visual problem-solving skills necessary for introductory mechanics courses. It serves as a valuable resource for students aiming to master force analysis and the conceptual foundations of Newton's laws through hands-on practice.",{"@graph":14,"@context":72},[15,34,55],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/exam/","Exam",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/module-04-lesson-3-free-body-diagrams/665525/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/module-04-lesson-3-free-body-diagrams/665525.png","ImageObject",300,407,{"name":42,"@type":43},"acoobca","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-30","2026-10-29",true,{"@type":52,"interactionType":53,"userInteractionCount":30},"InteractionCounter",{"@type":54},"ViewAction",{"@type":56,"mainEntity":57},"FAQPage",[58,64,68],{"name":59,"@type":60,"acceptedAnswer":61},"What is the primary objective of the exercises in this document?","Question",{"text":62,"@type":63},"The primary objective is to develop skills in creating accurate free body diagrams for objects under various physical conditions.","Answer",{"name":65,"@type":60,"acceptedAnswer":66},"How should the forces on the suitcase in Question 1 be represented?",{"text":67,"@type":63},"The suitcase should be represented with a free body diagram identifying the pulling force at 30 degrees, the weight of the suitcase, the normal force from the floor, and noting the lack of friction.",{"name":69,"@type":60,"acceptedAnswer":70},"What is the significance of the horizontal force applied to the crates in the final problem?",{"text":71,"@type":63},"The problem requires students to analyze the motion of two connected crates on a frictionless surface and determine if a horizontal force less than the total weight can induce movement.","https://schema.org",{"og:url":32,"og:type":74,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":76,"canonical":32},"index,follow",{"doc_id":78,"site_id":7},665525,1793304696,{"code":4,"msg":81,"data":82},"success",[83,87,91,94,99,104,109,114,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":84,"show_sort_weight":85,"slug":86},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":88,"show_sort_weight":89,"slug":90},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":92,"slug":93},70,"exam",{"id":95,"doc_module":4,"doc_module_name":25,"category_name":96,"show_sort_weight":97,"slug":98},5,"Comic",60,"comic",{"id":100,"doc_module":4,"doc_module_name":25,"category_name":101,"show_sort_weight":102,"slug":103},6,"Technology",50,"technology",{"id":105,"doc_module":4,"doc_module_name":25,"category_name":106,"show_sort_weight":107,"slug":108},7,"Healthcare",40,"healthcare",{"id":110,"doc_module":4,"doc_module_name":25,"category_name":111,"show_sort_weight":112,"slug":113},8,"Research & Report",30,"research-report",{"id":115,"doc_module":4,"doc_module_name":25,"category_name":116,"show_sort_weight":117,"slug":118},9,"Religion & Spirituality",20,"religion-spirituality",{"id":117,"doc_module":4,"doc_module_name":25,"category_name":120,"show_sort_weight":117,"slug":121},"World Cup","world-cup",{"id":123,"doc_module":4,"doc_module_name":25,"category_name":124,"show_sort_weight":123,"slug":125},10,"Lifestyle","lifestyle",{"id":127,"doc_module":4,"doc_module_name":25,"category_name":128,"show_sort_weight":95,"slug":129},19,"General","general",{"code":4,"msg":81,"data":131},{"doc_id":78,"user_id":132,"nickname":42,"user_avatar":133,"doc_module":4,"category_id":33,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":30,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":22,"language":139,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":12,"update_tm":79,"read_time":30},3985747870733,"https://ap-avatar.wpscdn.com/davatar_a8503ba1806abce46bf441b54a3ca4cd","Module 04-Lesson 3  \nFree Body Diagrams  \nQuestion 1: A 􀀍ight-attendant drags a 10-kg suitcase along a level frictionless 􀀍oor by pulling with a 40-N force at an angle of 30􀀎 above the horizontal. Draw a free body diagram of the suitcase.  \nQuestion 2: A bird-feeder is hanging from a tree branch as shown in Fig. 1. Draw a free body diagram of the forces acting on the bird feeder.  \nFIG. 1: Bird-feeder hanging from the tree  \nProblem: Two crates, 1 and 2, are placed side by side on a frictionless horizontal surface, as shown in Fig. 2. The crates have masses m 1 and m2 and are initially at rest. A horizontal  \n~  \nforce F is applied to crate 1 . (a) Draw separate and clearly labelled free body diagrams for the two crates. (b) If the magnitude of the force F is less than the total weight of the crates, will they move? Explain.  \nFIG. 2: Crates pushed by a horizontal force","cbCaid5X6UVQg0GZ","https://ap.wps.com/l/cbCaid5X6UVQg0GZ","pdf",76467,"English","# Module 04-Lesson 3: Free Body Diagrams\n## Problem Descriptions and Tasks","[{\"question\":\"What is the primary objective of the exercises in this document?\",\"answer\":\"The primary objective is to develop skills in creating accurate free body diagrams for objects under various physical conditions.\"},{\"question\":\"How should the forces on the suitcase in Question 1 be represented?\",\"answer\":\"The suitcase should be represented with a free body diagram identifying the pulling force at 30 degrees, the weight of the suitcase, the normal force from the floor, and noting the lack of friction.\"},{\"question\":\"What is the significance of the horizontal force applied to the crates in the final problem?\",\"answer\":\"The problem requires students to analyze the motion of two connected crates on a frictionless surface and determine if a horizontal force less than the total weight can induce movement.\"}]","Module 04 - Lesson 3 - Free Body Diagrams | PDF"]