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Is moment scalar or vector and why?
Scalar has magnitude, but no direction.
Vector has magitude and direction.
Speed is a scalar. The car's speed is 25mi/hr. No direction is mentioned.
Velocity is a vector. The car is traveling 25 mi/hr 20º North of East. Velocity is a vector, because it has magnitude and direction
Moment has two meanings
Moment of inertia = ∑ Mass* raidus^2
This moment measures how difficult it is to rotate an object. This moment is a scalar.
Moment can also mean torque. Torque = Force x distance* sinθ (cross product). However torque can be clockwise or counter-clockwise. So torque is a vector.
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoi think it is neither a vector nor a scalar but a TENSOR.
Wiki User
∙ 11y agoInertia is due to mass. Mass is scalar. Hence inertia too is a scalar
Wiki User
∙ 13y agoA vector. Since velocity is a vector, moment, which is mass x velocity, is also a vector.
Wiki User
∙ 14y agoyes
Wiki User
∙ 14y agoVector
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