9 grade science
One newton equals about 100 g on Earth. How many newtons would a football weigh if it had a mass of 400 g?
One newton equals about 100 g on Earth. How many newtons would a football weigh if it had a mass of 400 g?
1 Answer
Askiitians Tutor Team
To calculate the weight of the football in newtons, we can use the formula:
Weight (in newtons) = Mass (in kilograms) × Acceleration due to gravity (on Earth, approximately 9.81 m/s²)
First, we need to convert the mass of the football from grams to kilograms:
Mass of the football = 400 g = 400 g ÷ 1000 g/kg = 0.4 kg
Now, we can calculate the weight of the football:
Weight (in newtons) = 0.4 kg × 9.81 m/s² ≈ 3.924 newtons
So, a football with a mass of 400 grams would weigh approximately 3.924 newtons on Earth.
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