The force of gravity acting on an object is also that object's weight. When you step on a scale, the scale reads how much gravity is acting on your body. The formula to determine weight is [source: Kurtus]: weight = m x g where m is an object's mass, and g is the acceleration...
What Is Gravity? Every object that has mass exerts a gravitational pull or force on every other mass. The strength of this pull depends on the masses of objects at play. Gravity keeps the planets in orbit around the sun and the moon around the Earth. Hence, we define gravity as: Gravity...
What is the specific gravity of mercury? How many Earths can fit in Neptune? Is Neptune known as the blue planet? What is the exact distance from Earth to Neptune? Which is a rocky planet: Venus, Uranus, or Neptune? Why is Neptune denser than Saturn?
Centripetal and centrifugal forces are two terms used to describe the physics of circular motion — but only one of them is real. The centripetal force keeps an object moving in a circle and is always pointed toward the center of that circle. For instance, the gravitational force of the sun...
Juggling the concepts of mass, weight, and force is not simple, especially when you try to jump back and forth between two different systems of measurement. In order to understand them you must factor in time, gravity, and distance. While mass, length, and time are absolute qualities, ...
Based on the thicknesses used in the study, the flake averaged between 20 to 45 nanometers above the surface but after about 20 minutes of fluctuating it would eventually settle in at 10 nanometers. While this is all cool, it doesn't sale up because gravity will greatly exceed the forces...
or tends to change, their relative condition as to rest or motion; or, more generally, which changes, or tends to change, any physical relation between them, whether mechanical, thermal, chemical, electrical, magnetic, or of any other kind; as, the force of gravity; cohesive force; centrifu...
Give an example of a derived unit. How does a quantity differ from a unit? What is the unit of work? Define motor unit. What is the SI unit of mass? What is the SI unit for speed? What is the metric unit for length? What is the unit of specific gravity?
The geoid is the gravity model, the ellipsoid is a reference shape for purposes of constructing coordinates. The geoid is a way of specifying the gravitational field of the earth. With the geoid, you can compute the force of gravity on, say, a satellite. ...
Your bones are usually at their densest when you’re about 25-30 years old. You lose bone density naturally as you age. Bone density loss affects roughly one-third of adults over age 50. Osteopenia, if it happens at all, usually occurs after age 50. The exact age it starts depends how...