Category: Physics

What are the three ways that machines make work easier? Background Information. There are three ways simple machines make work easier: by increasing the distance through which force is applied, by changing the direction of applied force, or by multiplying force of speed of the energy applied. When can we say that work done is […]

What is the purpose of being certified as a nurse practitioner? The purpose of AANPCBs nurse practitioner certification programs is to provide a valid and reliable program for nurse practitioners to recognize their education, knowledge, and professional expertise, and to provide a process for validation of an advanced practice registered nurse’s qualifications and knowledge for […]

How far away from a wall should a ladder be? Use the 4-to-1 rule: Make sure the ladder is 1 foot away from the wall for every 4 feet that the ladder rises. For example, if the ladder touches the wall 16 feet above the ground, the feet/base of the ladder should be 4 feet […]

What are the consequences of not living a moderate life? Health Effects of Sedentary Lifestyle Increase the risks of certain cancers. Contribute to anxiety and depression. Risk factor for certain cardiovascular diseases. More likely to develop coronary heart disease. More likely to be overweight or obese. May cause a decrease in skeletal muscle mass. Can […]

How do you round decimals to the nearest tenth? To round a number to the nearest tenth , look at the next place value to the right (the hundredths). If it’s 4 or less, just remove all the digits to the right. If it’s 5 or greater, add 1 to the digit in the tenths […]

What does fieldwork mean? 1 : a temporary fortification thrown up by an army in the field. 2 : work done in the field (as by students) to gain practical experience and knowledge through firsthand observation. 3 : the gathering of anthropological or sociological data through the interviewing and observation of subjects in the field. […]

What is the efficiency of actual machine? The efficiency of a actual machine is equal to the ratio of its output ( resistance multiplied by the distance it is moved ) to it’s input ( effort multiplied by the distance through which it is exerted ); it is also equal to the ratio of the […]

What are the disadvantages of fossil fuel explain in brief? Disadvantages of using fossil fuels Fossil fuels release carbon dioxide when they burn, which adds to the greenhouse effect and increases global warming . What are three main environmental consequences of our fossil fuel use? Transporting fuels from the mine or well can cause air […]

What is a circuit with only one path? A “series” circuit has only one path for the electricity to follow. A “parallel” circuit has two or more paths for the electricity. Does supply of electricity have two way path? That’s because the electricity is now flowing through two paths, instead of one. Think of it […]

Can we smash on serve in badminton? Yes it is legal but only if the receiver moves AFTER the server delivers the service. This means that the receiver is only allowed to move forward after the server’s racket makes contact with the shuttlecock. Otherwise, it will be a fault on the receiver. What is always […]