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How is the force of earths gravity overcome when an object is launched into space?
When on Earth, you can escape if you move away from the Earth at the "escape" speed. Gravity will slow you down and you will reach zero speed at an infinite distance.
How is the force of earth's gravity overcome when an object is launched into space?
The object launched into space has rocket motors with more force taking it away from Earth than Earth's force of gravity has in pulling the object toward its center.
What is the downward pull of earths gravity on an object?
9.8
How does gravity affect a catapult?
Gravity affects a catapult by pulling the launched object back down towards the ground. The force of gravity limits the maximum distance the object can travel and the height it can reach when launched by the catapult. Stronger gravitational force can result in a faster descent of the object after it reaches the peak of its trajectory.
What affect does earths gravity have upon a object entering earth?
In general, it will have the effect of speeding such an object up.
What is the acceleration of an object effected by gravity thrown at a 45 degree angle above the horiziontal at its highest point?
The only force acting on a projectile once launched is gravity. So the acceleration of any object launched at any angle is the acceleration due to gravity, -9.8m/s2.
Why planets do not move away through their orbit?
GRAVITY... gravity means that objects are "attracted" to other objects, and the larger the object, the more GRAVITY will "attract" the object. The sun's gravity is too large for the planets to overcome.
When you push UP on an object when object is stationary on earths surface you increase your weight when you push DOWN on an object when object is stationary on earths surface you decrease your weight?
When you push up on an object, you are applying an additional force that is opposing gravity, increasing the total force acting on the object, including your weight. When you push down on an object, you are applying a force that opposes gravity and counteracts part of the force of gravity acting on the object, hence reducing the effective weight felt by the object.
Why are magnets able to overcome force of gravity?
You don't specifically need a magnet to overcome the force of gravity; ANY force that is stronger than gravity can "overcome" it, at least temporarily. For example, if you lift an object up, you are "overcoming" the force of gravity.
What is the amount of force required to lift an object against the force of gravity equal to?
The acceleration due to gravity (9.8 meters/sec.^2) * mass of object.
How is an object's mass related to the upward force needed to overcome the pull of gravity?
The upward force would have to overcome gravity, so the force should be F > -mg. Since the upward force and gravity work in opposite direction you can disregard the mass of the object (they cancel: F(gravity) = F(upward) => mg = -m(g+x)) . Consequently the object's mass is irrelevant.
What is the force exerted on an object by the earths pull called?
The force exerted on an object by Earth's gravity is called weight. It is the force that pulls objects towards Earth's center.
