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B.Sc Marine Engineering Friction Drag and Circular Motion — practice questions

Explore 29 free Friction Drag and Circular Motion questions in B.Sc Marine Engineering Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Friction Drag and Circular Motion questions and exercises with answers

Showing questions 1–29 of 29.

Two surfaces rub as one slides on the other. The force that opposes that sliding is:Read the answer and worked solution →A person tries to walk on smooth ice and slips. What they are missing is:Read the answer and worked solution →A heavy crate sits still while a worker leans on it. The friction acting is:Read the answer and worked solution →A puck is already sliding across the ice. The friction slowing it is:Read the answer and worked solution →A box is hard to start moving but easier to keep moving. This shows static friction is:Read the answer and worked solution →A worker pushes gently on a fridge and it does not move. Static friction has:Read the answer and worked solution →The moment a stuck crate finally slides, static friction gives way to:Read the answer and worked solution →Even two mirror smooth plates still show friction. That is because of forces between their:Read the answer and worked solution →One common cause of friction is that surfaces are not perfectly:Read the answer and worked solution →Frictional force is described in how many forms, static and kinetic?Read the answer and worked solution →A block creeps along very slowly. At small but nonzero speeds friction is nearly:Read the answer and worked solution →A barge is dragged through water and the water pushes back. That fluid force is:Read the answer and worked solution →A plane flies forward through still air. The drag force acts:Read the answer and worked solution →A cyclist doubles her speed. Because drag goes as the square, it becomes about:Read the answer and worked solution →A skydiver stops speeding up and falls steadily. At that point drag equals his:Read the answer and worked solution →A 75 kg skydiver dives head first to cut his frontal area. His terminal speed is about:Read the answer and worked solution →A parachute opens above a falling jumper. The terminal velocity then becomes much:Read the answer and worked solution →A car turns a steady circle. The net force keeping it on that path is called:Read the answer and worked solution →A centripetal force always points toward the:Read the answer and worked solution →A car on a flat road rounds a bend without skidding. The centripetal force comes from:Read the answer and worked solution →A race track slopes its curves inward. That design is called a:Read the answer and worked solution →Catch the resisting forcesRead the answer and worked solution →Pop the drag raisersRead the answer and worked solution →Run the friction gatesRead the answer and worked solution →Slice the force wordsRead the answer and worked solution →At rest or in motionRead the answer and worked solution →Sort the force ideasRead the answer and worked solution →Type the numberRead the answer and worked solution →Friction and drag bingoRead the answer and worked solution →

Worked practice questions

Two surfaces rub as one slides on the other. The force that opposes that sliding is:

  1. Friction
  2. Fraction
  3. Fixation
  4. Flotation
Show answer and solution

Correct answer: A. Friction

1. Something resists the relative movement. 2. It acts where the two surfaces touch. 3. That force is friction. _Source: OpenStax University Physics Volume 1, Chapter 6, Applications of Newton's Laws._

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A person tries to walk on smooth ice and slips. What they are missing is:

  1. Flotation
  2. Friction
  3. Fraction
  4. Fixation
Show answer and solution

Correct answer: B. Friction

1. Walking needs the ground to grip the shoe. 2. Ice gives very little grip. 3. So friction is what is missing. _Source: OpenStax University Physics Volume 1, Chapter 6, Applications of Newton's Laws._

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A heavy crate sits still while a worker leans on it. The friction acting is:

  1. Static
  2. Stagnant
  3. Standard
  4. Straight
Show answer and solution

Correct answer: A. Static

1. Nothing is moving relative to the floor. 2. Friction still opposes the attempted push. 3. That is static friction. _Source: OpenStax University Physics Volume 1, Chapter 6, Applications of Newton's Laws._

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Aerospace and MarinePhysics