1. What is Force of Gravity Calculator?

Definition: This calculator computes the force of gravity acting on an object based on its mass and the gravitational acceleration.

Purpose: It helps students, physicists, and engineers determine the gravitational force for various applications.

2. How Does the Calculator Work?

The calculator uses Newton's second law of motion:

Where:

• \( F \) — Force of gravity (Newtons)
• \( m \) — Mass of the object (kilograms)
• \( g \) — Gravitational acceleration (9.81 m/s² on Earth)

Explanation: The mass is multiplied by the gravitational acceleration to calculate the force exerted by gravity.

3. Importance of Force Calculation

Details: Understanding gravitational force is essential for physics calculations, engineering designs, and various scientific applications.

4. Using the Calculator

Tips: Enter the mass in kilograms and gravitational acceleration (default 9.81 m/s² for Earth). All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What is the standard value of g on Earth?
A: The standard gravitational acceleration on Earth's surface is approximately 9.81 m/s².

Q2: How does g vary on other planets?
A: g varies based on planetary mass and radius (e.g., 1.62 m/s² on the Moon, 3.71 m/s² on Mars).

Q3: What units should I use for mass?
A: The calculator uses kilograms (kg) for mass to maintain SI unit consistency.

Q4: How is this different from weight?
A: Weight is specifically the force of gravity acting on an object, which this calculator determines.

Q5: Can I use this for objects in free fall?
A: Yes, this calculates the gravitational force acting on an object regardless of its motion state.