Question detail
If an object has a mass of 10 kg and is on Earth where gravitational field strength is approximately 9.8 N/kg, what is its weight?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Forces and their interactions
Question
- A. 98 N
- B. 10 N
- C. 9.8 N
- D. 100 N
Answer
98 N
Explanation
Weight can be calculated using the formula W = mg. Here, W = 10 kg * 9.8 N/kg = 98 N.
Common mistake
Weight vs Mass Confusion
Students often confuse weight with mass, thinking they are the same quantity.
Remember that mass is a measure of the amount of matter in an object (measured in kilograms), while weight is the force acting on that mass due to gravity (measured in newtons).
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