The weight of the shuttle is [tex]6.94\cdot 10^6 N[/tex]
Explanation:
The weight of an object on Earth is the gravitational force exerted by the Earth on the object.
The magnitude of the weight of an object is given by:
[tex]W=mg[/tex]
where
m is the mass of the object
[tex]g=9.8 m/s^2[/tex] is the acceleration of gravity on Earth's surface
And the direction is downward (towards the Earth's centre).
For the shuttle in this problem, its mass is
[tex]m=7.08\cdot 10^5 kg[/tex]
So, its weight is
[tex]W=(7.08\cdot 10^5)(9.8)=6.94\cdot 10^6 N[/tex]
Note that while the mass of an object (m) does not change, its weight (W) changes according to the location, since the value of g can be different at different location (for example, on the Moon, the value of g is about 1/6 the value of g on the Earth).
Learn more about weight and forces:
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