Considering the definition of weight, the weight of the economy car is 7840 N.
Mass is the amount of matter that a body contains and weight is the action exerted by the force of gravity on the body.
The mass of an object will always be the same, no matter where it is located. Instead, the weight of the object will vary according to the force of gravity acting on it.
Weight is calculated as the product of the object's mass and the value of the gravitational acceleration:
W= m×g
In this case, you know:
- W=?
- mass= 800 kg
- g= 9.8 m/s²
Replacing in the definition of weight:
W= 800 kg× 9.8 m/s²
Solving:
W= 7840 N
Finally, the weight of the economy car is 7840 N.
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