Table of Contents
- 1 Does surface area affect gravity?
- 2 What affects the value of gravity?
- 3 Does surface area affect impact force?
- 4 How does surface area affect terminal velocity?
- 5 What is Earth’s surface gravity?
- 6 At which place on Earth surface the value of g is largest and why?
- 7 How do you calculate the surface gravity of an object?
- 8 How does surface area affect air resistance and drag force?
Does surface area affect gravity?
The greater the cross-sectional area of an object, the greater the amount of air resistance it encounters since it collides with more air molecules. When a falling object has a large mass, it weighs more and will encounter a greater downward force of gravity.
What affects the value of gravity?
Two major factors, mass and distance, affect the strength of gravitational force on an object.
What does surface gravity depend on?
The acceleration that a body experiences on the surface of a planet, the gravity on surface, depends on the mass M and radius R according to a simple formula of Newton’s: a=GM/R2, in which G denotes the universal gravitational constant.
How is the value of gravity determined?
In the first equation above, g is referred to as the acceleration of gravity. Its value is 9.8 m/s2 on Earth….The Value of g Depends on Location.
| Location | Distance from Earth’s center (m) | Value of g (m/s2) |
|---|---|---|
| 10000 km above surface | 1.64 x 107 m | 1.49 |
| 50000 km above surface | 5.64 x 107 m | 0.13 |
Does surface area affect impact force?
The force due to friction is generally independent of the contact area between the two surfaces. But when you double the length of an object, you halve the force on each square centimeter, because less weight is above it to push down.
How does surface area affect terminal velocity?
The position in which the object falls changes the surface area and in turn changes the terminal velocity. If the object has a greater surface area it will have more room for air resistance to work on it. There will be a greater upward force and a smaller terminal velocity.
What 3 factors affect gravity?
What are 3 factors that affect gravity?
- Mass of the body,
- Distance from the center of mass,
- Constant G i.e. Universal gravitational constant.
What factors determine the value of g on the surface of the earth?
The factors influencing the value of g are the earth’s shape, altitude, and depth under the earth’s surface. The earth is not spherical. It is slightly straight or flat at the poles and swelling in the tropics.
What is Earth’s surface gravity?
9.807 m/s²
Earth/Gravity
The nominal “average” value at the Earth’s surface, known as standard gravity is, by definition, 9.80665 m/s2 (about 32.1740 ft/s2).
At which place on Earth surface the value of g is largest and why?
the poles
The value of G is maximum at the poles. This is due to the closeness between the poles and the center of the earth. Stay tuned with BYJU’S to learn more about other concepts such as the acceleration due to gravity.
What is the acceleration due to gravity near its surface?
approximately 9.81 m/s2
s−2) or equivalently in newtons per kilogram (N/kg or N. kg−1). Near Earth’s surface, gravitational acceleration is approximately 9.81 m/s2 (32.2 ft/s2), which means that, ignoring the effects of air resistance, the speed of an object falling freely will increase by about 9.81 metres (32.2 ft) per second every second.
How does surface area affect the movement of an object?
Air resistance and drag force affect the object’s movement and velocity, relative to its shape. The bigger the surface area gets, the higher the air resistance and other factors leading to flying or falling. (Image: ZoranOrcik/Shutterstock) When a ball is tossed, its movement will shape a parabola.
How do you calculate the surface gravity of an object?
Without using the Earth as a reference body, the surface gravity may also be calculated directly from Newton’s law of universal gravitation, which gives the formula where M is the mass of the object, r is its radius, and G is the gravitational constant. If we let ρ = M / V denote the mean density of the object, we can also write this as
How does surface area affect air resistance and drag force?
Air resistance and drag force affect the object’s movement and velocity, relative to its shape. The bigger the surface area gets, the higher the air resistance and other factors leading to flying or falling.
What is the relationship between mass radius and surface gravity?
Mass, radius and surface gravity. In the Newtonian theory of gravity, the gravitational force exerted by an object is proportional to its mass: an object with twice the mass produces twice as much force. Newtonian gravity also follows an inverse square law, so that moving an object twice as far away divides its gravitational force by four,…