What is the magnitude of the force of gravity on a person who has a mass of 80.0 kg?

The magnitude of the force of gravity on that person is 784 Newton.

Explanation:

The weight is a force acting on an object as a consequence of gravity and is defined as:

 (1)

Where m is the mass and g is the value of the gravity.

Finally, making the assumption that the person is in the Earth and using equation 1 it is gotten:

Remember that the value of g change in function of the radius and mass of the planet ({tex]g = \frac{G\cdotM}{R^{2}}[/tex])

But

Therefore, the magnitude of the force of gravity on that person is 784 Netwon.

so easy. just google the electromagnetic waves and it’ll pop up.