Asystem of pulleys is used to raise a load of bricks that weighs 1,700 newtons. the force applied to the pulley is 340 newtons. what’s the mechanical advantage of this machine? 1 2 5 10

By definition, we have that the mechanical advantage is given by the following equation:
 
 Where,
 W: is the load
 T: is the tension
 Substituting the values in the given equation we have:
 
 
 Therefore, the mechanical advantage is equal to 5.
 
 The mechanical advantage of this machine is:
 MA = 5