On Earth, the weight of a 2 kg mass is approximately how many newtons?

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Prepare for the Year 10 Force and Motion Test. Utilize flashcards and multiple-choice questions with clear hints and explanations to ensure success. Equip yourself for excellence on your exam!

Multiple Choice

On Earth, the weight of a 2 kg mass is approximately how many newtons?

Explanation:
Weight is the force of gravity acting on an object, so it equals mass times the acceleration due to gravity. On Earth, g is about 9.8 m/s^2. For a 2 kg mass, the weight is 2 × 9.8 ≈ 19.6 newtons. The other numbers don’t fit because 2 N would come from a much smaller mass under Earth gravity, 9.8 N would come from a 1 kg mass, and 0 N would mean there’s no gravity.

Weight is the force of gravity acting on an object, so it equals mass times the acceleration due to gravity. On Earth, g is about 9.8 m/s^2. For a 2 kg mass, the weight is 2 × 9.8 ≈ 19.6 newtons. The other numbers don’t fit because 2 N would come from a much smaller mass under Earth gravity, 9.8 N would come from a 1 kg mass, and 0 N would mean there’s no gravity.

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