momentum - Master This Word
Master this word with our 5-step learning method – Learn English in English
momentum Word Meanings
- the quantity of motion of a moving body
- force or speed of movement
- a driving force or impetus
momentum Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
momentum Phonetic & Pronunciation
UK
//məˈmɛntəm//
US
//məˈmɛn.təm//
momentum Word Etymology
momentum = mo-' (from Latin moveto meaning 'to move') + mentum (a suffix indicating a result), originated from Latin through Old French into English. Imagine a massive boulder rolling downhill, gaining speed and force – that's momentum!
Note 1: These definitions and etymologies are not standard dictionary definitions, but extended explanations provided to help with memorization and understanding of the actual application of words. Through this background information, we strive to make words more vivid and easier to understand, and help you remember their meanings in real life.
Note 2: LexiTalk designs the learning flow around the linguistics principle of “Comprehensible Input.” When learners encounter material that is slightly above their level but still understandable from context, the brain naturally absorbs the language. That’s why we keep every word inside authentic contexts, using examples and associations to help you understand it and use it flexibly.
Read the FAQ explanation of Comprehensible InputEnglish Brain Route
I grab the handlebars and push the cart, and it starts to roll. With each turn the wheels pick up speed, and I feel momentum building, like a small current under my feet. I hold the line, adjust my grip, and keep guiding it so it stays on track. That push becomes a feeling I can carry into real life: when you set something in motion, momentum helps you keep going.
Real Context
Momentum is the quantity of motion that a moving object has. It depends on both mass and velocity: heavier objects or faster speeds produce more momentum. In physics, momentum is a vector, pointing in the same direction as the motion. When a moving object collides with something, momentum can be transferred or conserved depending on the interaction, and the tendency to keep moving is described by the law of conservation of momentum. In everyday language, momentum also means a driving force or impetus that keeps a project moving forward, or the momentum of a trend growing over time.
Usage Reminders
- Momentum is mass times velocity in physics, not just speed.
- Remember it is a vector, pointing in the direction of motion.
- It can be transferred or conserved in collisions.
- It is distinct from energy or speed, even though people use it metaphorically.
- Use momentum to describe progress or the momentum of a project.
Common Misconceptions
- Momentum is the same as speed or velocity.
- Momentum is not a vector and has no direction.
- Momentum and kinetic energy are the same thing.
- Momentum cannot be transferred in collisions.
- Momentum only matters in physics class, not in everyday life.
Thinking Differences
English speakers often separate momentum as a physics term from its metaphorical use; learners may think momentum only means speed, or confuse it with energy. Emphasize that momentum is mass times velocity and is a vector with direction.
Learning Tips
- Visualize momentum as mass times velocity rather than just speed.
- Always check that momentum is a vector and has a direction.
- Compare momentum with energy to avoid mixing concepts.
- Use real-life contexts like traffic or sports to reinforce the idea of momentum.
- Practice with collision scenarios to see conservation in action.
- Note common collocations like gain momentum, lose momentum, and conserve momentum.
5-Step Learning Method - Learn English in English
Step 1: Meaning
What is the meaning of 'momentum'?
A.Speed
B.Force
C.Energy
D.Time
Step 2: Usage
Which sentence uses 'momentum' correctly?
A.She lost her momentum while studying.
B.The car finally ran out of momentum.
C.He stopped to rest and regained momentum.
D.They started the project with great momentum.
Step 3: Similar Words
What is a synonym for 'momentum'?
A.Restraint
B.Stagnation
C.Hesitation
D.Velocity
Step 4: Opposite Words
What is an antonym for 'momentum'?
A.Inertia
B.Impulse
C.Advancement
D.Progress
Step 5: Mastery
In what real-life scenario is 'momentum' important?
A.Playing sports
B.Reading books
C.Cooking a meal
D.Driving a car
Related Listening
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