The angular displacement of a disk is set to be varied with time in a function (θ=at3+bt2+ct)?

what will the torque of this disk at 5sec? or:what will the torque of this disk at 5sec?or:Torque is the product of a force and a radius. Displacement

what will the torque of this disk at 5sec?

or:what will the torque of this disk at 5sec?

or:Torque is the product of a force and a radius. Displacement does not relate.

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