answersLogoWhite

0

🧪

Gravity

One of the four fundamental interactions, gravity is responsible for the fact that any objects with mass attract one another. According to general relativity, it is a space time curvature, but according to quantum mechanics it is the result of exchanges of virtual gravitons.

4,784 Questions

What is the strength of the gravitational pull on your body?

The strength of the gravitational pull on your body is approximately 9.81 meters per second squared (m/s^2) on Earth. This is commonly referred to as the acceleration due to gravity, and it is what gives us our weight on the Earth's surface.

Does the moon have a low or high gravity?

Gravity is exactly the same on the moon as it is on Earth or anywhere else. No

matter where you observe it, two objects are always gravitationally attracted

to each other by a pair of equal forces that are proportional to the product of

the masses and inversely proportional to the square of the distance between

their centers.

The effect of the moon's smaller size and much smaller mass compared to the

Earth is that the gravitational forces between the moon and a test mass on its

surface are about 16% of the forces between the Earth and the same test mass

on its surface.

Here are some of the noticeable effects of gravity on the moon:

-- There is a force on everything that tries to pull it down.

("Down" is a short word for "toward the center of the moon".)

-- When you drop something, it falls down.

-- When something is falling, it goes faster and faster.

-- When you toss something up, it goes up slower and slower,

then it stops going up, and begins to fall down.

-- What goes up must come down, unless it has rocket engines on it.
Gravity is exactly the same on the moon as it is on Earth or anywhere else. No

matter where you observe it, two objects are always gravitationally attracted

to each other by a pair of equal forces that are proportional to the product of

the masses and inversely proportional to the square of the distance between

their centers.

The effect of the moon's smaller size and much smaller mass compared to the

Earth is that the gravitational forces between the moon and a test mass on its

surface are about 16% of the forces between the Earth and the same test mass

on its surface.

Why does gravity my pencil not let my fly into the air?

Gravity is a force of attraction that pulls objects toward each other based on their mass. In this case, the Earth's gravity is pulling your pencil towards the ground, preventing it from floating in the air. The force of gravity is much stronger than any force you could exert to make the pencil fly upwards.

What if mass stays the same and distance increases?

If mass stays the same and distance increases, the gravitational force between two objects will decrease according to the inverse square law. This means that as the distance increases, the gravitational attraction between the objects will weaken.

How does gravity and buoyancy compare in size?

Gravity is a fundamental force that attracts two objects with mass toward each other, while buoyancy is the force exerted by a fluid on an object immersed in it that opposes gravity. Gravity is a universal force that affects everything with mass, while buoyancy specifically applies to objects immersed in a fluid. Gravity is much stronger than buoyancy in most cases, which is why objects fall towards Earth rather than float upwards in a fluid.

Does gravity have a constant speed?

Gravity does not have a speed itself since it is a force that acts instantaneously over a distance. The speed at which objects are affected by gravity, such as when falling towards Earth, is determined by their acceleration due to gravity, which is approximately 9.8 m/s^2 near the Earth's surface.

What is gravity retaining wall?

A gravity retaining wall is a structure designed to retain soil or other materials in a sloped area through its own weight, without the need for additional reinforcement or anchoring. These walls rely on their mass and the force of gravity to counteract the pressure of the materials they are holding back.

What is the measure of pull gravity on object?

The measure of gravitational force on an object is typically expressed in terms of weight, which is the force exerted by gravity on the object. The weight of an object is calculated by multiplying the object's mass by the acceleration due to gravity (9.8 m/s^2 on Earth).

Is there a force that cancels out gravity?

The fact that we stand on the surface of the Earth - rather than falling right through to the center of the Earth - indicates that there is. The two forces - the Earth's surface pushing us upward, and Earth's gravity pulling us downward - cancel in this case.

In the above, the forces cancel out -- we are pulled down, but the floor pushes up at the same force (different direction. But is there a force that cancels out gravity? The best I can think of is an Earth above and an Earth below, so that the two opposite directed forces cancel out. Although in orbiting, the centrifugal force cancels (equal and opposite) of gravity.

What is specific gravity of servo prime 46 lube oil?

The specific gravity of Servoprime 46 lube oil is around 0.88 to 0.89 at 15.6°C. Specific gravity is a measure of the density of a substance compared to the density of water at a standard temperature.

Newton summarized his ideas about gravity in a law now called?

The Law of Motion and it states: a body remains at rest or in motion with a constant velocity unless acted upon by external force.

What is the relationship between buoyant force density and gravity?

The buoyant force is the upward force exerted on an object submerged in a fluid due to the density difference between the object and the fluid. Gravity acts downward on the object, while the buoyant force opposes gravity, creating the net force that determines whether the object sinks or floats. The buoyant force is directly related to the density of the fluid and the volume of the displaced fluid, according to Archimedes' principle.

Does the torsional pendulum depend on acceleration due to gravity?

Yes, the period of a torsional pendulum does depend on the acceleration due to gravity. The period is given by the formula T = 2π√(I/κ), where I is the moment of inertia and κ is the torsional spring constant, and both of these factors are influenced by gravity.

Are molecules attracted towards each other by gravity?

Molecules are not primarily attracted to each other by gravity. Instead, the attraction between molecules is typically due to intermolecular forces such as hydrogen bonding, van der Waals forces, and dipole-dipole interactions. Gravity is a fundamental force that acts on all objects with mass, but it is typically negligible at the scale of individual molecules.

What is an equation for the orbital decay of two 1.4 solar mass neutron stars orbiting each other with radius 60 km?

dr/dt=(-64/5)(G^3/c^5)(m1*m2)((m1+m2)/r^3)

t=r^4*[15*5/(64*16*4)]*[(c^5/G^3)/(m1*m2(m1+m2))]

=> t = (60*10^3)^4*(75/4096)*((3*10^8)^5/((6.673*10^-11)^3)/((1.4*1.989*10^30)^2*(2*1.4*1.989*10^30))

=> t = (6)^4*(75/4096)*((3)^5/((6.673)^3)/((1.4*1.989)^2*(2*1.4*1.989))*10^(16+40+33-60-30)

What does the gravity of an object depend on?

The gravity of an object depends on its mass and the distance between it and another object. The larger the mass of an object and the closer it is to another object, the stronger the gravitational force between them.

What is the force of gravity on 1 kilogram?

The force of gravity on a 1 kilogram mass near the surface of the Earth is approximately 9.8 newtons. This is calculated using the formula F = m * g, where m is the mass and g is the acceleration due to gravity.

What does anti gravity mean?

Anti-gravity refers to the hypothetical phenomenon of opposing the force of gravity, essentially allowing objects to float or levitate in defiance of the normal gravitational pull. It is often portrayed in science fiction but has not been scientifically proven or achieved.

Does mass and weight make gravity?

Mass is a measure of how much matter is in an object, while weight is the force of gravity acting on that object. Gravity is the force of attraction between objects with mass, so mass and gravity are related in that gravity acts on objects with mass to create weight.

What is the same about Gravity and inertia?

Gravity and inertia are both fundamental forces that affect the motion of objects. Gravity is the force that pulls objects towards each other, while inertia is the tendency of objects to resist changes in their state of motion. Both gravity and inertia play important roles in determining how objects move in the universe.

Are there gravity in India?

Of course, there is gravity everywhere on Earth otherwise, you would float away. If you drop something, does it not fall.

Does tums increase specific gravity of urine?

Tums, which contains calcium carbonate, can increase the pH of urine but typically does not significantly impact specific gravity. Specific gravity is a measure of the concentration of solutes in urine, while pH measures the acidity. Drinking more fluids and certain medical conditions, like dehydration or kidney problems, are more likely to impact specific gravity levels in urine.

How do we use decimals in the pressure of gravity?

Decimals can be used when measuring the force of gravity using the metric system, where the standard is 9.81 m/s^2. This value can be expressed with decimals, such as 9.81 m/s^2, to represent smaller increments of the gravitational acceleration. Decimals can help provide more precise measurements of the force of gravity in various calculations and scientific experiments.

Does different types of gravity affect robots?

Yes, different types of gravity can affect robots. Robots designed to operate in environments with different levels of gravity (such as on Earth, the moon, or Mars) need to be calibrated and programmed accordingly to ensure proper functionality and mobility. Changes in gravity can impact the robot's stability, movement capabilities, and energy consumption.