Gravity is equal to

Gravity is what holds the planets in orbit around the sun and what keeps the moon in orbit around Earth.

Here you will see that the weight of the body is passing through the Centre of gravity and acting in direction of the centre of the earth. The electric and gravitational force laws are both inverse square laws, so if one computes the ratio of the forces between two bodies, the distances cancel. 4. 3. Unless the object's location is the north or south pole, the object iundergoes uniform circular motion. The normal force is nearly, but not exactly, equal in magnitude to the force of gravity. Also, a similar problem to that is one like this: When you take your 1200 kg car out for a spin, you go around a corner of radius 57.6 m with a speed of 15.2 m/s. Suppose an object is at rest with respect to the Earth. For the electron and proton, the gravitational force is 39 orders of magnitude weaker than the electrical force. For example, if you've ever taken your car in for service and the mechanic showed you how small plastic balls floated in your transmission fluid, you've seen specific gravity in action. The gravitational pull of the moon pulls the seas towards it, causing the ocean tides. Specific gravity can be used to determine if an object will sink or float on water. 1 ag = 1 g = 9.81 m/s2 = 35.30394 (km/h)/s. Gravity creates stars and planets by pulling together the material from which they are made.

If an object or liquid has a specific gravity greater than one, it will sink. Velocity and Distance Traveled by a Free Falling Object. But what I do not know is why the centripetal and gravitational force of these two objects must equal each other.
The force of gravity between two objects (Fg) is equal to the negative universal gravitation constant (-G) times the mass of the first object (m1) times the mass of the second object (m2) all divided by the distance between the objects squared (r²).

At large distances the gravitational force falls off inversely with the distance squared. 1.

Unit Descriptions; 1 Standard Gravity: Acceleration by Earth's Gravity = 9.80665 m/s 2: 1 Meter per Second Squared: Meters per second per second or meters per second squared is the basic unit for measuring acceleration in the International System of Units (SI). The best results, at the present time, tell us that the speed of gravity is between 2.993 × 10^8 and 3.003 × 10^8 meters per second, which is an amazing confirmation of … 2. The magnetic force falls off at large distances at least as fast as inversely with the distance to the fourth power.

Normal force is equal to mg only when the object is placed horizontally, and the force is acting in the direction of the gravitational field. Gravity acts between any two objects, magnetism only between some. Gravity not only pulls on mass but also on light. Gravity is always attractive, magnetism is sometimes repulsive. Gravity is the force that attracts two bodies toward each other, the force that causes apples to fall toward the ground and the planets to orbit the sun. Acceleration of Gravity in Imperial Units. 3 Answers. Specific gravity is a concept that shows up in a variety of industrial applications, particularly as it relates to fluid dynamics. The specific gravity of water is equal to one. If the specific gravity of an object or a liquid is less than one, it will … 1 ag = 1 g = 32.174 ft/s2 = 386.1 in/s2 = 22 mph/s.

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