Weight (in newtons) = mass (in kilograms) × gravitational acceleration (in meters per second squared)
On Earth, the gravitational acceleration is approximately 9.8 meters per second squared.
Therefore, the weight of a 20kg box on Earth in newtons can be calculated as:
Weight = 20kg × 9.8 m/s² = 196N
So, the weight of the 20kg box on Earth is 196 newtons.
