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PAT (Physics Aptitude Test) Physics — practice by topic

Browse 29 questions across 4 Physics topics. Choose what you want to revise, then open a question to check its answer and worked solution.

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Physics topics

Friction (29)Friction and Circular Motion (29)Mechanics (29)Physics (29)

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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 →

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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