BOOM’ S PROBLEM PS 4.3 – Torque (Rotational Equilibrium) Problems 1. A crane supports a 3.0 kN weight as shown. The crane’s boom is 8.0 m long and is at an angle of 30˚ from the horizontal. If the hydraulic support is attached to the boom 2.0 m from the bottom of the boom‚ then: a) what is the compressional force in the hydraulic? b) what is the magnitude and direction of the force on the pin at the bottom of the boom? a) ∑Torque = 0 F cos 30˚ x 2.0 = 3000 cos 30˚ x 8.0 F = 24
Free Force Friction
you to be most concerned and why? The one statistic that surprises me is that participation in physical activity declines as grade or age increases. For I have always done some kind of sport or activity as I grew. Another would be 41 million Americans are estimated to have pre-diabetes. I didn’t know that so many children are estimated to pre diabetes. Third would be that physical activity among children and adolescents is important because of the related health benefits. For not a lot of people
Premium Nutrition Disability
In this world‚ people are more and more to focus on how to maintain a healthy body. The activity and nutrition is important to this purpose. Therefore‚ this essay will explain what activity and nutrition are necessary to maintain a healthy bade. In terms of activity‚ there are some information about how do exercise to maintain a healthy body. First of all‚ how much exercise is necessary? The answer is that do exercise vigorously 20 to 30 minutes three times a week (Phillips 2004). The vigorous exercise
Premium Nutrition Obesity Food
muita atenção no sentido da frase‚ pois a mesma expressão‚ com freqüência‚ tem mais de um sentido. and;... too; also; in addition (to); moreover; furthermore; besides; as well (as); what’s more; alongside; apart from not only … but also; both… and 1. This plant requires sun all day. Furthermore‚ it needs rich soil. 2. My brother goes to school full-time. Besides this‚ he works 20h a week. 3. Not only is she taking physics but she is also taking biology. 4. Neither the pedestrian nor the bicyclist
Premium 2004 Summer Olympics Sentence Rio de Janeiro
Everyday activities like driving‚ going to work‚ or walking down the street include some risk to your personal safety. Many workers commute long distances or have mobile jobs and contact with the public. Either through crime or circumstance‚ people and events can be unpredictable. You can’t avoid all risk but it isn’t wise to act without taking precautions. The best approach is to assess the risks involved with an activity and take the safety measures that are required and logical. Your best safety
Premium Automobile Crime Safety
This week’s tutorial mainly focuses on how to prepare and deliver an effective presentation. During the tutorial‚ there are two activities were organized. The one activity is that each group prepares a presentation based on the topic “The Best Job All over the World”. It is a practical way to develop the logic thoughts. The different is that one member of each group would film the process of the group presentation. After the presentation‚ each group could know about their performance. In addition
Premium Audience Psychology Communication
Comparison essay “the right chemistry” and “ My hormones awakening” In “the right chemistry”‚ the author Anastasia Toufexis talks about love mostly in a scientific way. The different emotions and different chemicals that your body releases as you fall in and out of love. The old saying that "Love is like a Roller coaster” holds true. You are always full of emotions‚ which are driven by the chemicals your body excretes. It goes on to say that you get a sort of High‚ from being in love‚ and
Free Love
Summer activity Summer is a special time when children get to do fun things. You have more time during the day to choose activities that you enjoy doing with your friends or family‚ outdoors or indoors. There are many different ways to have fun in the summer. What’s yours? Summer time is the best time to hang with your family because there’s no school. My favorite summer memory is when I went to Camp Oaks. Camp Oaks take on a trip with nature. The squirrel’s big bubbly eyes are so adorable.
Premium English-language films
What is relationship Building about? In ever aspect of life we are in‚ whether getting involved in the social activities‚ building our career path‚ or socializing with family and friends‚ we interact with various type of individuals. Such interaction may occur with familiar people with whom we are in close contact like our family and friends or with new acquaintances. We may also build a connection over a period of time with our work colleagues or members in a club. The fact that we interact
Premium Interpersonal relationship
1. Briefly describe today’s immigrants in terms of numbers‚ main source areas‚ and skills/education. About 40 million immigrants‚ more than half originating form Mexican‚ and a third have no high school diploma. 2. Identify and rank the five countries sending the largest numbers of immigrants to the U.S. Include numbers for the latest year available. Mexico 166‚000‚ India 65‚000‚ China 60‚000‚ Philippines 53‚000‚ and Vietnam 40‚000. 3. What is the net economic impact on the U.S. of immigrant
Premium Immigration to the United States Immigration United States