# Gravitational 63504

Due to the force of gravity, a freely released body falls towards the Earth. The reaction to the gravitational force is of equal magnitude and acts on the Earth at its center. Explain why we do not observe the motion of the Earth towards the body.

### Correct answer:

**Showing 1 comment:**

**Andrea**

Because the mass of the Earth is so many times greater than that of the given body, the change in its position and speed is very slight, unobservable with the naked eye, essentially zero. According to the law of gravity and Newton's law of forces F=M*a, where M >>m, the Earth's gravitational force gives a minimal acceleration.

#### You need to know the following knowledge to solve this word math problem:

#### Units of physical quantities:

#### Grade of the word problem:

## Related math problems and questions:

- Gravitational 61894

The center of force on the wheel is 1.2 m from the axis of rotation, and the load is attracted by the earth's gravitational force equal to 800 newtons at a distance of 40 cm from the axis of rotation. How much force F2 does the worker lift the wheel? - Up and down motion

We throw the body from a height h = 5 m above the Earth vertically upwards v0 = 10 m/s. How long before we let the second body fall freely from the same height to hit the Earth simultaneously? - Inclined plane

The body stays on an inclined plane and exerts a compressive force of 70N on it. Find the angle between the inclined plane and the horizontal if a gravitational force of 100N acts on the body. - Gravitational 38843

An aluminum plate with a volume of 200 cm³ sinks in water. Determine the gravitational force exerted by the Earth on the plate. Determine the buoyant force that acts on a plate immersed in water. Compare the magnitudes of these forces and justify whether - Angled cyclist turn

The cyclist passes through a curve with a radius of 20 m at 25 km/h. How much angle does it have to bend from the vertical inward to the turn? - Acceleration 61824

On a sphere weighing 100 g, which lies on a horizontal plate, a force acts in the horizontal direction, which gives it an acceleration of 20 cm. s ^ -2. Find the magnitude of the force. - Gravitational 57971

Find the relation for the gravitational potential V(x) at the junction between the Earth and the Moon as a function of the variable x, where x is the distance measured from the center of the Earth and is the distance between the centers of the two bodies, - Gravitational 54411

How much force do we lift a stone in the water that weighs 30 kg and has a density of 2500 kg/m³? Gravitational acceleration g = 10 m/s². - Same force

The trunk of 5m in length and 95 kilograms has a center of gravity of 2m from the thicker end. The tribe is carried by two men, one at the thicker end. At what distance does the trunk carry a man from the other end to make the same force on it? - Seconds 15853

The body landed on Earth in 9 seconds. Find from what height it fell and what its speed was on impact. - Calculate 55233

Calculate the pressure in the fluid: force F = 2,400 N The area on which the force S = 8 m² acts p =? - Completely 37433

Find the magnitude of the buoyancy force acting on a body with a volume of 1 dm³ whole immersed: a) in water b) in ethanol. - The space

The space rocket orbits the Earth at an altitude of 400 km above the Earth's surface. Determine the magnitude of the centrifugal acceleration of the missile in its orbit. - Centroid - two bodies

A body is composed of a 0.8 m long bar and a sphere with a radius of 0.1m attached so that its center lies on the longitudinal axis of the bar. Both bodies are of the same uniform material. The sphere is twice as heavy as the bar. Find the center of gravi - Inclined plane

1. How much work W do we have to do to pull a body weighing 200 kg along an inclined plane with a length of 4 m to a total height of 1.5 m? 2. Find the force we need to exert to do this if we neglect frictional resistance. 3. Find the force we would need - Hydraulic 36031

The hydraulic blade has pistons with an area of 10 cm² and 500 cm². How much force acts on the larger piston if we act on the smaller piston with a force of 100 N? - Corresponding 5468

On the straight line representing the number axis, tie together the various points corresponding to the numbers a, 2a, 3a+1 in all possible orders. For each option, decide whether such an arrangement is possible. If yes, give a specific example, if not, e