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UAE MoE Grade 12 Friction, Drag, and Elasticity — practice questions

Explore 25 free Friction, Drag, and Elasticity questions in UAE MoE Grade 12 Physics. Each question opens with answer choices, the correct answer and a worked solution.

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Friction, Drag, and Elasticity MCQs with answers

Showing questions 1–25 of 25.

What does friction do to the relative motion of two surfaces in contact?Read the answer and worked solution →In which direction does the force of friction act?Read the answer and worked solution →What name is given to friction between two surfaces that are sliding over each other?Read the answer and worked solution →For the same pair of surfaces, how do static and kinetic friction compare?Read the answer and worked solution →Why is a heavy crate harder to start moving than to keep moving?Read the answer and worked solution →How does static friction respond as you push harder on a crate that will not move?Read the answer and worked solution →In the expression for the largest static friction, what does the normal force represent?Read the answer and worked solution →Which symbol in the kinetic friction relation stands for the coefficient of kinetic friction?Read the answer and worked solution →Friction is proportional to the normal force, but not to which quantity?Read the answer and worked solution →When two rough surfaces touch, how much of the total area is really in contact?Read the answer and worked solution →What happens to the true area of contact when the normal force is increased?Read the answer and worked solution →How does the drag force on a moving object depend on its speed?Read the answer and worked solution →A skydiver reaches terminal velocity. What is true of the forces on them?Read the answer and worked solution →Why does the speed stop changing once the net force on a falling body is zero?Read the answer and worked solution →Two skydivers of different mass fall in the same posture. Which reaches the greater terminal velocity?Read the answer and worked solution →In Hooke's law, what does the change in length of the object represent?Read the answer and worked solution →A block sits still on a bench while nobody pushes it. What is the friction on it?Read the answer and worked solution →Oiling a concrete floor makes a crate easier to move. What has changed?Read the answer and worked solution →Adding a heavy box on top of a crate makes it harder to push. Why?Read the answer and worked solution →Why do two surfaces become warm when they are rubbed together?Read the answer and worked solution →Which of these is the standard everyday example of kinetic friction acting?Read the answer and worked solution →What kind of characteristics of friction are the simple rules taught at school?Read the answer and worked solution →What would a nearly friction-free environment save on a large scale?Read the answer and worked solution →Which two forces act on a skydiver falling through air, once buoyancy is ignored?Read the answer and worked solution →What happens to the downward force of gravity on a skydiver as their speed rises?Read the answer and worked solution →

How to practise

  1. Choose a Friction, Drag, and Elasticity question and try to work out your answer.
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