QUESTION IMAGE
Question
question 1
which has a lower center of gravity a sports car or a minivan?
a minivan
a sports car
question 2
what is the point on an object where the force of gravity is considered to act?
middle of the object
center of mass
top of an object
center of gravity
question 3
true or false. the center of gravity and the center of mass are always the same in an object.
false
true
Question 1
Sports cars are designed to be low - slung. Their overall height is much less than that of a minivan. Since the center of gravity is related to the height of the vehicle (lower height generally means lower center of gravity), a sports car has a lower center of gravity.
By definition, the center of gravity is the point on an object where the force of gravity is considered to act. The center of mass is related to the distribution of mass in an object, and while in a uniform gravitational field they coincide, the question is about the force of gravity acting, which is the center of gravity. The middle of the object is too vague, and the top of an object is incorrect.
The center of gravity depends on the gravitational field. In a non - uniform gravitational field (for example, if an object is in a very large gravitational field gradient), the center of gravity and the center of mass will not be the same. In a uniform gravitational field, they are the same. But the statement says "always", which is false.
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A sports car