What factor does NOT affect the weight of an object?

Prepare for the NCEA Level 2 Physics Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Weight is defined as the gravitational force exerted on an object due to its mass and the acceleration due to gravity. It is calculated using the formula:

Weight = mass × gravitational pull (acceleration due to gravity)

In this context, the mass of the object directly influences its weight; as the mass increases, the weight also increases, given that gravitational pull remains constant. Similarly, gravitational pull is a crucial factor since it varies depending on the location, such as being stronger at the surface of the Earth compared to higher altitudes or other celestial bodies.

The distance from the center of the Earth is another significant factor, as weight decreases with increasing distance due to the inverse-square law governing gravitational attraction. The farther an object is from the Earth’s center, the weaker the gravitational pull it experiences.

The shape of the object does not affect its weight. While the shape might influence drag forces when an object is in motion through a fluid (like air or water), it does not change the gravitational force acting on the object. Thus, an object's weight is independent of its shape, making it the correct response to the question.

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