Forces And Motion Exam

Physics

NGSS

AP Physics

IB Physics

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1. Why is it harder to stop a trian than a motorcycle, even when the motorcycle is moving faster?

Because a motocycle is smaller

Because the train was in traffic

Because the train has less momentum and more mass

Because a train has more momentum, and more mass

Because a train has way less mass than the motorcycle

A train has more momentum and more mass compared to a motorcycle. Momentum is calculated by multiplying an object's mass with its velocity. Since the train has a larger mass and is moving at a relatively high velocity, it will have a significantly higher momentum. This higher momentum makes it harder to stop the train compared to the motorcycle, even if the motorcycle is moving faster.

Explanation

About This Quiz

This exam tests knowledge on dynamics, focusing on Newton's laws of motion, the relationship between mass, force, and acceleration, and practical application of these principles.

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2. Mass is the amount of (blank) in an object.

Weight is the measure of (blank) on an object.

Mass is the amount of matter in an object, which refers to the quantity of particles present in it. On the other hand, weight is the measure of gravitational pull on an object. This means that weight is dependent on the mass of an object and the force of gravity acting upon it. Therefore, the correct answer states that mass is related to matter, while weight is related to the gravitational pull on an object.

Explanation

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Jun 09, 2009

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Why is it harder to stop a trian than a motorcycle, even when the...

Mass is the amount of (blank) in an object.Weight is the measure of...