How is torque related to the magnitude of force? State its SI unit
Answers
Answer:
1) How is torque to the magnitude of Force?
The magnitude of a torque about a fixed axis is calculated by finding the lever arm to the point where the force is applied and using the relation |→τ|=r⊥F | τ → | = r ⊥ F , where r⊥ is the perpendicular distance from the axis to the line upon which the force vector lies.
2) State it's SI Unit.
Newton Metre:
The quantity torque (or moment of force) may be thought of as the cross product of force and distance and the SI unit for torque is Newton metre, N m (m2 kg s-2).
Explanation:
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Two equal, opposite, parallel forces act on a body at different line and also gives turning effect is called couple.
Equation of magnitude of torque:
τ = r × F
Values:
i) 0° = Torque is zero
ii)90° = Torque is maximum that is 90°
SI unit = Nm