Question detail
If a car has a mass of 1000 kg and is moving at a velocity of 20 m/s, what is its momentum?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Momentum
Question
- A. 20000 kg·m/s
- B. 5000 kg·m/s
- C. 1000 kg·m/s
- D. 2000 kg·m/s
Answer
20000 kg·m/s
Explanation
Momentum is calculated using the formula p = mv. Here, p = 1000 kg * 20 m/s = 20000 kg·m/s.
Common mistake
Confusing Force and Momentum
Students often confuse force with momentum, thinking they are the same concept.
Remember that force is related to the rate of change of momentum, while momentum is the product of mass and velocity. Focus on the definitions and relationships between these two quantities.
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