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What is the gravitational force acting on a 70.0kg object standing on the earth's surface?
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Ignoring air resistance what is the minimum initial speed a projectile must have at the Earths surface if the projectile is to escape the Earths gravitational pull?
8km/s
What is the distance from earths surface for zero gravity of an object?
For absolute zero gravitational attraction - Infinity. The gravitational attraction due to the Earth is also zero at the centre of the Earth.
What is the type of potential energy dependent upon an object's weight and distance from earths surface?
That is called gravitational potential energy.
What is the weight of a 3.5kg mass at the earths surface?
Weight = mass x g ... the gravitational acceleration at the earth's surface. Fwt = mg = 3.5 x 9.8 = 34.3 n
An object at rest on the earths surface has two forces acting upon it what are they and why doesnt the object move?
Gravity and the upward force of the surface the object is resting on.
Where would you be standing if you where standing on the northernmost point on the earths surface?
the north pole
When standing at sea level which are you nearer to the earths core or the Moon's surface?
Earths core
What is earths gravitational acceleration?
Standing at surface radius its = 9.82 (m/s)/sbut double the radius and the acceleration drops to 9.82 / ((2 / 1)2) = 2.455 (m/s)/s
Are you closer to the earths core or moons surface when standing at sea level?
Earth's core
How is nitrogen in the atrmosphere brought to the earth's surface?
nitrogen is brought to earths surface by the gravitational pull of zero gravity
What is 90 percent of Earths gravity?
8,9 m/s2 The gravitational attraction on the surface of Venus.
Is gravity stronger on the earths surface than it is 100m up and then that's stronger than 200m up?
The gravitational field is stronger the closer you are to the Earth, so a person standing 100m up will experience a stronger tug than a person standing 200m up.
About how much is the Moon's gravitational force compares to the earths?
The weight of any object on the surface of the moon is 16.55% of its weight on the surface of the Earth.
What is potential energy dependent upon an objects weight and distance from earths surface?
Gravitational potential energy.
Ignoring air resistance what is the minimum initial speed a projectile must have at the Earths surface if the projectile is to escape the Earths gravitational pull?
8km/s
What is the gravitational force on any object near the earths surface?
Force (newtons) = mass (kg) * acceleration (m/s/s) > Acceleration at earths surface radius = 9.82 m/s/s
What is the gravitation pull on Ceres the Dwarf Planet?
It's about 0.028g, or 2.8% of earths surface gravitational pull of 1g
