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Force Required is any interaction that, when unopposed, will change the motion of an object. In other words, a force can cause an object with mass to change its velocity. Check FAQs
F=Wltan(Φ-ψ)
F - Force Required?Wl - Load?Φ - Limiting Angle of Friction?ψ - Helix Angle?

Force Required to Lower Load by Screw Jack given weight of load and Limiting angle Example

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With units
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Here is how the Force Required to Lower Load by Screw Jack given weight of load and Limiting angle equation looks like with Values.

Here is how the Force Required to Lower Load by Screw Jack given weight of load and Limiting angle equation looks like with Units.

Here is how the Force Required to Lower Load by Screw Jack given weight of load and Limiting angle equation looks like.

-11.7498Edit=53Edittan(12.5Edit-25Edit)
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Force Required to Lower Load by Screw Jack given weight of load and Limiting angle Solution

Follow our step by step solution on how to calculate Force Required to Lower Load by Screw Jack given weight of load and Limiting angle?

FIRST Step Consider the formula
F=Wltan(Φ-ψ)
Next Step Substitute values of Variables
F=53Ntan(12.5°-25°)
Next Step Convert Units
F=53Ntan(0.2182rad-0.4363rad)
Next Step Prepare to Evaluate
F=53tan(0.2182-0.4363)
Next Step Evaluate
F=-11.7498171200735N
LAST Step Rounding Answer
F=-11.7498N

Force Required to Lower Load by Screw Jack given weight of load and Limiting angle Formula Elements

Variables
Functions
Force Required
Force Required is any interaction that, when unopposed, will change the motion of an object. In other words, a force can cause an object with mass to change its velocity.
Symbol: F
Measurement: ForceUnit: N
Note: Value can be positive or negative.
Load
Load is the weight of body lifted by screw jack.
Symbol: Wl
Measurement: ForceUnit: N
Note: Value should be greater than 0.
Limiting Angle of Friction
The Limiting Angle of Friction is defined as the angle which the resultant reaction (R) makes with the normal reaction (RN).
Symbol: Φ
Measurement: AngleUnit: °
Note: Value should be less than 90.
Helix Angle
Helix Angle is the angle between any helix and an axial line on its right, circular cylinder, or cone.
Symbol: ψ
Measurement: AngleUnit: °
Note: Value should be greater than 0.
tan
The tangent of an angle is a trigonometric ratio of the length of the side opposite an angle to the length of the side adjacent to an angle in a right triangle.
Syntax: tan(Angle)

Other Formulas to find Force Required

​Go Force Required to Lower Load by Screw Jack given Weight of Load
F=Wlμfcos(ψ)-sin(ψ)cos(ψ)+μfsin(ψ)

Other formulas in Screw Jack category

​Go Efficiency of Screw Jack when Screw Friction as well as Collar Friction Considered
η=Wtan(ψ)dWltan(ψ+Φ)d+μcWlRc
​Go Efficiency of Screw Jack when only Screw Friction is Considered
η=tan(ψ)tan(ψ+Φ)
​Go Ideal Effort to Raise Load by Screw Jack
Po=Wltan(ψ)
​Go Maximum Efficiency of Screw Jack
η=1-sin(Φ)1+sin(Φ)

How to Evaluate Force Required to Lower Load by Screw Jack given weight of load and Limiting angle?

Force Required to Lower Load by Screw Jack given weight of load and Limiting angle evaluator uses Force Required = Load*tan(Limiting Angle of Friction-Helix Angle) to evaluate the Force Required, Force required to Lower Load by Screw Jack given Weight of Load and Limiting Angle is any interaction that, when unopposed, will change the motion of an object. Force Required is denoted by F symbol.

How to evaluate Force Required to Lower Load by Screw Jack given weight of load and Limiting angle using this online evaluator? To use this online evaluator for Force Required to Lower Load by Screw Jack given weight of load and Limiting angle, enter Load (Wl), Limiting Angle of Friction (Φ) & Helix Angle (ψ) and hit the calculate button.

FAQs on Force Required to Lower Load by Screw Jack given weight of load and Limiting angle

What is the formula to find Force Required to Lower Load by Screw Jack given weight of load and Limiting angle?
The formula of Force Required to Lower Load by Screw Jack given weight of load and Limiting angle is expressed as Force Required = Load*tan(Limiting Angle of Friction-Helix Angle). Here is an example- -11.749817 = 53*tan(0.21816615649925-0.4363323129985).
How to calculate Force Required to Lower Load by Screw Jack given weight of load and Limiting angle?
With Load (Wl), Limiting Angle of Friction (Φ) & Helix Angle (ψ) we can find Force Required to Lower Load by Screw Jack given weight of load and Limiting angle using the formula - Force Required = Load*tan(Limiting Angle of Friction-Helix Angle). This formula also uses Tangent (tan) function(s).
What are the other ways to Calculate Force Required?
Here are the different ways to Calculate Force Required-
  • Force Required=Load*(Coefficient of Friction*cos(Helix Angle)-sin(Helix Angle))/(cos(Helix Angle)+Coefficient of Friction*sin(Helix Angle))OpenImg
Can the Force Required to Lower Load by Screw Jack given weight of load and Limiting angle be negative?
Yes, the Force Required to Lower Load by Screw Jack given weight of load and Limiting angle, measured in Force can be negative.
Which unit is used to measure Force Required to Lower Load by Screw Jack given weight of load and Limiting angle?
Force Required to Lower Load by Screw Jack given weight of load and Limiting angle is usually measured using the Newton[N] for Force. Exanewton[N], Meganewton[N], Kilonewton[N] are the few other units in which Force Required to Lower Load by Screw Jack given weight of load and Limiting angle can be measured.
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