Anshika Arya
National Institute Of Technology (NIT), Hamirpur
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## < 11 Other formulas that you can solve using the same Inputs

Effort applied to move the body in downward direction on inclined plane considering friction
Effort required to move a body on inclined surface considering friction=Weight of body on which frictional force is applied*sin(Angle of inclination of the plane to the horizontal-Limiting angle of friction)/sin(Angle of effort -(Angle of inclination of the plane to the horizontal-Limiting angle of friction)) GO
Effort applied to move the body in upward direction on inclined plane considering friction
Effort required to move a body on inclined surface considering friction=(Weight*sin(Angle of inclination of the plane to the horizontal+Limiting angle of friction))/sin(Angle of effort -(Angle of inclination of the plane to the horizontal+Limiting angle of friction)) GO
Efficiency of inclined plane when effort applied to move the body in downward direction on inclined plane
Efficiency of inclined plane=(cot(Angle of inclination of the plane to the horizontal)-cot(Angle of effort ))/(cot(Angle of inclination of the plane to the horizontal-Limiting angle of friction)-cot(Angle of effort )) GO
Efficiency of inclined plane when effort applied to move the body in upward direction on inclined plane
Efficiency of inclined plane=(cot(Angle of inclination of the plane to the horizontal+Limiting angle of friction)-cot(Angle of effort ))/(cot(Angle of inclination of the plane to the horizontal)-cot(Angle of effort )) GO
Effort applied perpendicular to inclined plane to move the body in downward direction considering friction
Effort required to move a body on inclined surface considering friction=Weight of body on which frictional force is applied*tan(Angle of inclination of the plane to the horizontal-Limiting angle of friction) GO
Effort applied perpendicular to inclined plane to move the body in upward direction considering friction
Effort required to move a body on inclined surface considering friction=Weight of body on which frictional force is applied*tan(Angle of inclination of the plane to the horizontal+Limiting angle of friction) GO
Efficiency of inclined plane when effort applied parallel to move the body in downward direction on inclined plane
Efficiency of inclined plane=sin(Angle of inclination of the plane to the horizontal-Limiting angle of friction)/(sin(Angle of inclination of the plane to the horizontal)*cos(Limiting angle of friction)) GO
Efficiency of inclined plane when effort applied parallel to move the body in upward direction on inclined plane
Efficiency of inclined plane=(sin(Angle of inclination of the plane to the horizontal)*cos(Limiting angle of friction))/sin(Angle of inclination of the plane to the horizontal+Limiting angle of friction) GO
Efficiency of inclined plane when effort applied horizontally to move the body in downward direction on inclined plane
Efficiency of inclined plane=tan(Angle of inclination of the plane to the horizontal-Limiting angle of friction)/tan(Angle of inclination of the plane to the horizontal) GO
Efficiency of inclined plane when effort applied horizontally to move the body in upward direction on inclined plane
Efficiency of inclined plane=tan(Angle of inclination of the plane to the horizontal)/tan(Angle of inclination of the plane to the horizontal+Limiting angle of friction) GO
Force at circumference of the screw when weight of load, helix angle and coefficient of friction is known
Force=Weight*((sin(Helix Angle)+(Coefficient of Friction*cos(Helix Angle)))/(cos(Helix Angle)-(Coefficient of Friction*sin(Helix Angle)))) GO

## < 9 Other formulas that calculate the same Output

Efficiency of spiral gears
Efficiency =(cos(Spiral angles of gear teeth for gear 1+Angle of friction)*Pitch circle diameter of gear 2*Speed of gear 2)/(cos(Spiral angles of gear teeth for gear 1-Angle of friction)*Pitch circle diameter of gear 1*Speed of gear 1) GO
Efficiency of spiral gears
Efficiency =(cos(Spiral angles of gear teeth for gear 1+Angle of friction)*cos(Spiral angles of gear teeth for gear 1))/(cos(Spiral angles of gear teeth for gear 1-Angle of friction)*cos(Spiral angles of gear teeth for gear 1)) GO
Efficiency of screw jack when screw friction as well as collar friction considered
Efficiency =(Weight*tan(Helix Angle)*Mean diameter of Screw)/((Weight of Load*tan(Helix Angle+Limiting angle of friction)*Mean diameter of Screw)+(Coefficient of friction for collar*Weight of Load*Mean radius of collar)) GO
Maximum efficiency of spiral gears
Efficiency =(cos(Shaft angle+Angle of friction)+1)/(cos(Shaft angle-Angle of friction)+1) GO
Maximum efficiency of screw a jack
Efficiency =(1-sin(Limiting angle of friction))/(1+sin(Limiting angle of friction)) GO
Efficiency of transmission
Mechanical Efficiency
Efficiency =Induced voltage*Armature Current/Angular Speed*Torque GO
Rotor Efficiency
Efficiency =Motor Speed/Synchronous Speed GO
Motor Efficiency Using Slip
Efficiency =1-Slip GO

### Efficiency of screw jack when only screw friction considered Formula

Efficiency=tan(Helix Angle)/tan(Helix Angle+Limiting angle of friction)
More formulas
Helix Angle GO
Helix Angle for single threaded screw GO
Helix Angle for multi-threaded screw GO
Force at circumference of the screw when weight of load, helix angle and coefficient of friction is known GO
Force at circumference of the screw when weight of load, helix angle and limiting angle is known GO
Mean radius of the collar GO
Torque required to overcome friction between screw and nut GO
Torque required to overcome friction at collar GO
Force required to lower the load by a screw jack when weight of load, helix angle and coefficient of friction is known GO
Force required to lower the load by a screw jack when weight of load, helix angle and limiting angle is known GO
Torque required to overcome friction between screw and nut(lowering load) GO
Torque required to overcome friction between screw and nut(lowering load) GO
Ideal effort to raise the load by screw jack GO
Efficiency of screw jack when screw friction as well as collar friction considered GO
Maximum efficiency of screw a jack GO
Pressure over bearing area of flat pivot bearing GO
Total frictional torque on flat pivot bearing considering uniform pressure GO
Total frictional torque on flat pivot bearing considering uniform wear GO
Total vertical load transmitted to conical pivot bearing (uniform pressure) GO
Total frictional torque on conical pivot bearing considering uniform pressure GO
Total frictional torque on conical pivot bearing considering uniform pressure when slant height of cone is given GO
Total frictional torque on conical pivot bearing considering uniform wear when slant height of cone GO
Total frictional torque on conical pivot bearing considering uniform wear GO
Total frictional torque on truncated conical pivot bearing considering uniform pressure GO
Total frictional torque on truncated conical pivot bearing considering uniform wear GO

## What does efficiency mean?

Efficiency requires reducing the number of unnecessary resources used to produce a given output including personal time and energy. It is a measurable concept that can be determined using the ratio of useful output to total input.

## How to Calculate Efficiency of screw jack when only screw friction considered?

Efficiency of screw jack when only screw friction considered calculator uses Efficiency=tan(Helix Angle)/tan(Helix Angle+Limiting angle of friction) to calculate the Efficiency , Efficiency of screw jack when only screw friction considered is a measurable concept that can be determined using the ratio of useful output to total input. Efficiency and is denoted by n symbol.

How to calculate Efficiency of screw jack when only screw friction considered using this online calculator? To use this online calculator for Efficiency of screw jack when only screw friction considered, enter Limiting angle of friction (Φ) and Helix Angle (α) and hit the calculate button. Here is how the Efficiency of screw jack when only screw friction considered calculation can be explained with given input values -> 0.210138 = tan(30)/tan(30+40).

### FAQ

What is Efficiency of screw jack when only screw friction considered?
Efficiency of screw jack when only screw friction considered is a measurable concept that can be determined using the ratio of useful output to total input and is represented as n=tan(α)/tan(α+Φ) or Efficiency=tan(Helix Angle)/tan(Helix Angle+Limiting angle of friction). Limiting angle of friction is defined as the angle which the resultant reaction (R) makes with the normal reaction (RN) and Helix Angle denotes the standard pitch circle unless otherwise specified. Application of the helix angle typically employs a magnitude ranging from 15° to 30° for helical gears, with 45° capping the safe operation limit.
How to calculate Efficiency of screw jack when only screw friction considered?
Efficiency of screw jack when only screw friction considered is a measurable concept that can be determined using the ratio of useful output to total input is calculated using Efficiency=tan(Helix Angle)/tan(Helix Angle+Limiting angle of friction). To calculate Efficiency of screw jack when only screw friction considered, you need Limiting angle of friction (Φ) and Helix Angle (α). With our tool, you need to enter the respective value for Limiting angle of friction and Helix Angle and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Efficiency ?
In this formula, Efficiency uses Limiting angle of friction and Helix Angle. We can use 9 other way(s) to calculate the same, which is/are as follows -
• Efficiency =Motor Speed/Synchronous Speed
• Efficiency =1-Slip
• Efficiency =Induced voltage*Armature Current/Angular Speed*Torque
• Efficiency =(Weight*tan(Helix Angle)*Mean diameter of Screw)/((Weight of Load*tan(Helix Angle+Limiting angle of friction)*Mean diameter of Screw)+(Coefficient of friction for collar*Weight of Load*Mean radius of collar))
• Efficiency =(1-sin(Limiting angle of friction))/(1+sin(Limiting angle of friction))
• Efficiency =(cos(Shaft angle+Angle of friction)+1)/(cos(Shaft angle-Angle of friction)+1)
• Efficiency =(cos(Spiral angles of gear teeth for gear 1+Angle of friction)*cos(Spiral angles of gear teeth for gear 1))/(cos(Spiral angles of gear teeth for gear 1-Angle of friction)*cos(Spiral angles of gear teeth for gear 1))
• Efficiency =(cos(Spiral angles of gear teeth for gear 1+Angle of friction)*Pitch circle diameter of gear 2*Speed of gear 2)/(cos(Spiral angles of gear teeth for gear 1-Angle of friction)*Pitch circle diameter of gear 1*Speed of gear 1)