Draw a free-body diagram to show all forces acting on the object.
1 answer:
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Answer:
1) Weight on Mercury
Explanation:
do the same to the rest and use your calculator to find the weight in N.
To solve the problem, we can use the equivalent of Newton's second law for rotational motions:
where
is the net torque acting on the object
I is the moment of inertia of the body
is the angular acceleration of the object.
Using the data of the problem:
and 
, we find the net torque acting on the object:
where
I is the moment of inertia of the body
Using the data of the problem: