If an object is sitting motionless on table, the normal force is...

Physics

2 answers:

Hatshy [7]3 years ago

5 0

Answer:

B. the same forest as the force of the table pushing up on the object of interest

Debora [2.8K]3 years ago

5 0

Yeah it’s just the opposite of gravity

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A grinding wheel is a uniform cylinder with a radius of 8.65 cm and a mass of 0.400 kg . Calculate its moment of inertia about i

anyanavicka [17]

Answer:

I = 1.5*10⁻³ kg*m²

Explanation:

It can be showed that the moment of inertia (or rotational inertia) for a uniform cylinder of mass m and radius r, respect an longitudinal axis going through its center (parallel to the height of the cylinder) can be written as follows:

$I = \frac{1}{2}*m*r^{2} = \frac{1}{2}*0.400 kg*(0.0865m)^{2} = 1.5e-3 kg*m2$