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PAT (Physics Aptitude Test) Friction and Circular Motion — practice questions

Explore 29 free Friction and Circular Motion questions in PAT (Physics Aptitude Test) Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Friction and Circular Motion questions and exercises with answers

Showing questions 1–29 of 29.

A crate slides across a floor and slows down. The force acting against its motion is:Read the answer and worked solution →Two blocks rest against each other without moving. The friction between them is described as:Read the answer and worked solution →A book is already sliding down a ramp. The friction acting on it is now described as:Read the answer and worked solution →You push a heavy crate harder and harder but it stays put. Static friction rises to match your push up to its:Read the answer and worked solution →The magnitude of maximum static friction is the coefficient of static friction times the:Read the answer and worked solution →For most pairs of surfaces, the coefficient of kinetic friction compared with the static one is:Read the answer and worked solution →Friction arises partly because surfaces that look flat are actually:Read the answer and worked solution →A car turns a corner. The centripetal force acting on it points towards the:Read the answer and worked solution →On a level road, the force that supplies the centripetal force turning a car is:Read the answer and worked solution →For a given mass and speed, a larger centripetal force produces a radius of curvature that is:Read the answer and worked solution →Centripetal force is perpendicular to velocity, which is why the resulting circular motion is:Read the answer and worked solution →Race tracks tilt their curves inward so that the slope of the road helps. Such a curve is:Read the answer and worked solution →On a banked curve, increasing the banking angle lets a vehicle take the curve:Read the answer and worked solution →For ideal banking, the centripetal force is supplied entirely without any:Read the answer and worked solution →A passenger feels thrown sideways when the car turns. That apparent push is an inertial or:Read the answer and worked solution →The outward pull a rider seems to feel on a merry-go-round is mistakenly called the:Read the answer and worked solution →Like friction, the drag force on a moving object always acts to oppose its:Read the answer and worked solution →At everyday speeds, drag force is proportional to the speed of the object raised to the power:Read the answer and worked solution →Drag also depends on the density of the fluid, the drag coefficient and the object's:Read the answer and worked solution →A 75 kg skydiver falling head first reaches a terminal speed of roughly:Read the answer and worked solution →Two masses hang from a rope over a light frictionless pulley. Along that rope the tension is:Read the answer and worked solution →Catch the resisting forcesRead the answer and worked solution →Pop the drag factorsRead the answer and worked solution →Run the force gatesRead the answer and worked solution →Slice the physics wordsRead the answer and worked solution →Static or kineticRead the answer and worked solution →Sort the mechanics wordsRead the answer and worked solution →Type the numberRead the answer and worked solution →Forces bingoRead the answer and worked solution →

Worked practice questions

A crate slides across a floor and slows down. The force acting against its motion is:

  1. Friction
  2. Fraction
  3. Fracture
  4. Frequency
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Correct answer: A. Friction

1. Two surfaces are in contact and moving past each other. 2. That contact always resists the relative motion. 3. The force is friction. _Source: OpenStax University Physics Volume 1, Chapter 6, Applications of Newton's Laws._

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Two blocks rest against each other without moving. The friction between them is described as:

  1. Stalled
  2. Static
  3. Stated
  4. Stacked
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Correct answer: B. Static

1. Neither surface is sliding over the other. 2. The relevant case is the stationary one. 3. That friction is static friction. _Source: OpenStax University Physics Volume 1, Chapter 6, Applications of Newton's Laws._

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A book is already sliding down a ramp. The friction acting on it is now described as:

  1. Kinetic
  2. Kindred
  3. Knotted
  4. Kneaded
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Correct answer: A. Kinetic

1. The surfaces are in contact and moving relative to one another. 2. That is the moving case, not the stationary one. 3. The friction is kinetic friction. _Source: OpenStax University Physics Volume 1, Chapter 6, Applications of Newton's Laws._

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More Physics topics

FrictionMechanicsPhysics