Here's why:
* Newtons (N) are the units of force.
* Weight is the force of gravity acting on an object's mass.
To calculate the force (in newtons) needed to lift an object, you need to know its weight:
1. Find the object's mass (in kilograms).
2. Use the formula: Weight = mass x acceleration due to gravity (acceleration due to gravity is approximately 9.8 m/s²)
3. The weight (in newtons) is the force you need to apply to lift the object.
Example:
* An object has a mass of 10 kilograms.
* Weight = 10 kg x 9.8 m/s² = 98 N
* You would need 98 newtons of force to lift the object.