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Momentum and Collisions
Practice Questions

20 US Common Core Common Core US Physics questions on Momentum and Collisions, each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on Momentum and Collisions

Question 1 · 1 mark · Difficulty 1/3

In a perfectly inelastic collision between two objects, which quantity is conserved?

  1. Momentum only
  2. Both momentum and kinetic energy
  3. Kinetic energy only
  4. Neither momentum nor kinetic energy
Show answer & explanation
✓ Answer: AMomentum only
In a perfectly inelastic collision, the objects stick together and kinetic energy is NOT conserved — some is converted to thermal energy or deformation. Momentum IS conserved as long as the system is isolated. Option A confuses inelastic with elastic collisions. Option B describes only elastic collisions. Option D incorrectly claims momentum is not conserved.
Question 2 · 1 mark · Difficulty 2/3

Which of the following best describes why momentum is conserved during a collision between two billiard balls on a frictionless table?

  1. The balls are made of a rigid material that stores no energy
  2. The kinetic energy of both balls stays the same after the collision
  3. The net external force on the two-ball system is approximately zero
  4. Each ball exerts the same force in the same direction during impact
Show answer & explanation
✓ Answer: CThe net external force on the two-ball system is approximately zero
Momentum is conserved when the net external force on the system is zero (Newton's Second Law in impulse form: Δp = FΔt). On a frictionless table, no horizontal external forces act on the system. Option B misattributes conservation to material properties. Option C describes an elastic collision but is not the cause of momentum conservation. Option D incorrectly describes the forces as being in the same direction — they are equal and opposite.
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20 questions · 25 min · free

US Common Core Common Core US Physics: Momentum and Collisions FAQ

How many US Common Core Common Core US Physics questions on Momentum and Collisions are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Momentum and Collisions for US Common Core Common Core US Physics, with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real US Common Core paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for US Common Core Common Core students preparing for US Physics?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Momentum and Collisions practice with other US Physics topics or even switch to a totally different US Common Core subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Momentum and Collisions questions aligned to the official US Common Core Common Core US Physics syllabus?
Every question is written against the published US Common Core Common Core US Physics specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real US Common Core paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from US Common Core.
How is Momentum and Collisions typically tested on US Common Core Common Core US Physics papers?
Momentum and Collisions appears across multiple question types on real US Common Core Common Core US Physics papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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