What is torque and how you calc it

Question

Accepted Answer

Torque is a measure of rotational force. It is calculated by multiplying the force applied by the distance from the pivot point.

Torque is the rotational equivalent of force.
It is calculated by multiplying the force applied by the distance from the pivot point.
The SI unit of torque is Newton meters (Nm).
For example, if a force of 10 N is applied at a distance of 2 meters from the pivot point, the torque would be 20 Nm.

Accepted Answer

Torque is a measure of the rotational force applied to an object. It determines how effectively a force can cause an object to rotate about an axis.

Formula for Torque:
Torque
(
𝜏
)
=
Force
(
𝐹
)
×
Lever Arm Distance
(
𝑟
)
×
sin
⁡
(
𝜃
)
Torque(τ)=Force(F)×Lever Arm Distance(r)×sin(θ)
Where:

𝜏
τ: Torque (in Newton-meters, Nm)
𝐹
F: Force applied (in Newtons, N)
𝑟
r: Perpendicular distance from the axis of rotation to the line of action of the force (in meters)
𝜃
θ: Angle between the force and the lever arm
Key Points:
Maximum Torque: Achieved when 
𝜃
=
9
0
∘
θ=90 
∘
 , making 
sin
⁡
(
𝜃
)
=
1
sin(θ)=1.
Units: SI unit is Newton-meter (Nm).
Example Calculation:
If a force of 10 N is applied at a perpendicular distance of 2 m from the pivot:

𝜏
=
10
×
2
×
sin
⁡
(
9
0
∘
)
=
10
×
2
×
1
=
20
 
Nm
τ=10×2×sin(90 
∘
 )=10×2×1=20Nm
Applications: Torque is critical in engines, wrenches, turbines, and anything involving rotation or angular motion.

What is torque and how you calc it

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