Blade Ceiling
June 27th, 2010
A ceiling fan is turned on and a net torque if 4 N.m is applied to the blade. The blades have a total moment o
A ceiling fan is turned on and a net torque if 4 N.m is applied to the blade. The blades have a total moment of inertia of 0.2 kg.m^2. What is the angular acceleration of the blades?
∑M = I * α
where,
∑M is the net torque/moment exerted on the blade
I is the moment of inertia of the blade
α is the angular acceleration of the blade
=> α = ∑M / I = (4 Nm) / (0.2 kg*m²) = 20 radians/s²
Therefore, the angular acceleration of the blade is: 20 rad/s²
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