Answer:
490 N
Explanation:
The magnitude of the gravitational force acting on an object on the surface of the Earth is given by:
[tex]F=mg[/tex]
where
m is the mass of the object
g = 9.8 m/s^2 is the acceleration due to gravity
In this problem, we have a student with mass m=50 kg, so the force of gravity in this case is
[tex]F=(50 kg)(9.8 m/s^2)=490 N[/tex]