Which of the following would represent momentum?

Study for the NCEA Level 2 Mechanics Test. Use flashcards and multiple choice questions, each with hints and explanations. Prepare for success!

Momentum is defined as the product of an object's mass and its velocity. Mathematically, this is expressed as:

[ p = m \times v ]

where ( p ) represents momentum, ( m ) is the mass of the object, and ( v ) is its velocity. This relationship shows that momentum depends on both how much "stuff" (mass) is in the object and how fast it is moving (velocity).

In comparison to the other options, the first option, which describes force divided by time, does not correspond to momentum, but rather relates to impulse. The second option refers to mass times acceleration, which defines force according to Newton's second law (F = ma). The last option mentions weight times distance, which is associated with work done, not momentum. Thus, the only option that correctly represents momentum in the context of mechanics is the one that states mass times velocity.

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