Because its a old type of software and probably wont run on your computer
Answer:
Effort = 120 Newton
Explanation:
Given the following data;
Mechanical advantage = 6
Load = 780 N
To find the effort required to lift the weight;
Mechanical advantage can be defined as the ratio of the load (weight) lifted by a simple machine to the effort (force) applied.
Mathematically, the mechanical advantage is given by the formula;

Making effort the subject of formula;

Substituting into the formula, we have;

Effort = 120 Newton.
Answer:
He needs to reduce the glare of his Computer Screen
Explanation:
He can reduce the Computers brightness, Use an anti-glare screen or wear protective glasses to reduce the computer's glare.