Proof by Deduction What is proof by deduction? Proof by deduction is when a mathematical and logical argument is used to shows whether or not a result is true How to do proof by deduction ?Y...
Language of Proof What is proof? Proof is a series of logical steps which show whether a result is?true?or not for a set of specified numbers e.g. All intigers, all even numbers etc Notation in pro...
Moments - Ladder Problems How do I model ladder problems? We can model the ladder as a?rod There will be?two?(likely different)?reaction?forces a?vertical reaction?force Rf?between the?bottom of th...
Tilting What does it mean if a rod is on the point of tilting? A rod will?tilt?(rotate) about a?pivot?if the?resultant moment?about that pivot is?non-zero Examples of tilting: A person walking a pl...
Uniform Rods & Laminae What is meant by the centre of mass of an object? The centre of mass of an object is?the point at which the weight of the object may be considered to act For a?uniform ob...
就在剛剛，2023年USNews世界大學(xué)排名終于發(fā)布！（文末附前100完整版）至此，四大權(quán)威排名機(jī)構(gòu)的2023年世界大學(xué)排名全部公布完畢！ 其根據(jù)大學(xué)的學(xué)術(shù)水平、國(guó)際聲譽(yù)等十項(xiàng)指標(biāo)得出全球最佳大學(xué)排名，以便為全世界...
Using Moments - Equilibrium What happens with moments if a rigid body is in equilibrium? If a rigid body is in?equilibrium?then: The?resultant force?is 0 N The?resultant moment?about?any point?is 0...
Moments Diagrams When an object is modelled as a?particle?we do?not?need to consider the?rotation?of the object due to forces. When we model an object as a?rigid body?then we need to consider the r...
Coefficient of Friction - Equilibrium How is friction used when a body is in equilibrium? When a body is in static equilibrium under the action of a number of forces, including friction, the value ...
Coefficient of Friction - Inclined Planes How is the coefficient of friction used in problems involving inclined planes? On an?inclined plane?the basic principles are the same as for?coefficient of...
作為申請(qǐng)熱門的經(jīng)濟(jì)、商科、金融等專業(yè)，申請(qǐng)競(jìng)爭(zhēng)一直很激烈，想要從中脫穎而出，商科學(xué)術(shù)活動(dòng)不可或缺。其中，NEC學(xué)術(shù)活動(dòng)一直備受熱捧，熱愛(ài)商業(yè)和經(jīng)濟(jì)知識(shí)的你怎能錯(cuò)過(guò)？ NEC經(jīng)過(guò)20余年的發(fā)展與積累，每年有超...
Coefficient of Friction - F = ma How do we apply Newton’s Second Law (F = ma) in problems involving friction? The?coefficient of friction?combined with?F?=?ma?allows you to determine an object's mo...
