Home Back

Calculate Tension In A Cable

Tension Formula:

\[ T = m \times g + m \times a \]

kg
m/s²
m/s²

Unit Converter ▲

Unit Converter ▼

From: To:

1. What Is The Tension Formula?

The tension formula calculates the force exerted by a cable or rope when supporting a mass under acceleration. It accounts for both the gravitational force and any additional acceleration forces acting on the object.

2. How Does The Calculator Work?

The calculator uses the tension formula:

\[ T = m \times g + m \times a \]

Where:

Explanation: The formula calculates the total tension by adding the force due to gravity (weight) and the force due to any additional acceleration.

3. Importance Of Tension Calculation

Details: Accurate tension calculation is crucial for engineering applications, safety assessments, and structural design where cables and ropes are used to support loads under various acceleration conditions.

4. Using The Calculator

Tips: Enter mass in kilograms, gravitational acceleration (typically 9.8 m/s² for Earth), and acceleration in m/s². All values must be valid (mass > 0, gravity > 0, acceleration ≥ 0).

5. Frequently Asked Questions (FAQ)

Q1: When is this tension formula applicable?
A: This formula applies to objects being lifted or accelerated vertically by a cable, where the tension must overcome both gravity and provide additional acceleration.

Q2: What if the acceleration is zero?
A: When acceleration is zero, the formula simplifies to T = m × g, which is simply the weight of the object.

Q3: How does this differ from horizontal tension?
A: For horizontal motion without vertical displacement, gravity doesn't contribute to tension, and the formula would be T = m × a only.

Q4: What units should I use?
A: Use kilograms for mass, meters per second squared for both gravitational acceleration and additional acceleration. The result will be in Newtons.

Q5: Can this be used for deceleration?
A: Yes, deceleration can be represented as negative acceleration, which would reduce the tension in the cable.

Calculate Tension In A Cable© - All Rights Reserved 2025