MCAT Physics - Linear Momentum Quiz

Question 1 of 11

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A particle of mass 1 kg is located at (0,0) and a particle of mass 2 kg is located at (3,0). What is the location of the center of mass of this system?

Select one of the following:

  • (0,0)

  • (1,0)

  • (1.5,0)

  • (2,0)

Question 2 of 11

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The net external force on a system of particles is zero. What is the velocity of the center of mass of the system?

Select one of the following:

  • 0

  • Constant

  • Constantly increasing

  • Constantly decreasing

Question 3 of 11

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The net external force on a system of particles is zero. What is the velocity of each particle in the system?

Select one of the following:

  • 0

  • Constant

  • Constantly increasing

  • Not enough information

Question 4 of 11

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Four particles of equal mass are at points (0,0), (2,0), (2,2) and (0,2). Where is the center of mass of the system?

Select one of the following:

  • (1,0)

  • (1,1)

  • (2,0)

  • (2,2)

Question 5 of 11

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Where is the center of mass of a single particle?

Select one of the following:

  • The point halfway between the particle and the origin

  • The origin

  • The position of the particle

  • Undefined

Question 6 of 11

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A net force of 8 N is applied to a system containing four masses, each of 1kg. What is the resultant acceleration of the center of mass of the system?

Select one of the following:

  • 2 m/s

  • 8 m/s

  • 12 m/s

  • 32 m/s

Question 7 of 11

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What is the definition of impulse?

Select one of the following:

  • Force per unit time

  • Force per unit distance

  • Force over a distance

  • Force over a time

Question 8 of 11

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A bat exerts a force on a ball of 100 N for a period of .1 seconds. What is the impulse provided by the bat?

Select one of the following:

  • 100

  • 10

  • 1

  • 1000

Question 9 of 11

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A net impulse on an object causes

Select one of the following:

  • A change in its kinetic energy

  • A change in its speed

  • A change in its momentum

  • A change in its mass

Question 10 of 11

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A ball of mass 2 kg bounces against a wall with a velocity of 6 m/s and rebounds with the same velocity. What is the impulse provided by the wall?

Select one of the following:

  • 12

  • 24

  • 3

  • 8

Question 11 of 11

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What are the units of impulse, in terms of fundamental units?

Select one of the following:

  • N-s

  • kg-m/s

  • J/s

  • kg-m

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MCAT Physics - Linear Momentum Quiz

Jen Molte
Quiz by , created over 2 years ago

A-Level MCAT Quiz on MCAT Physics - Linear Momentum Quiz, created by Jen Molte on 21/05/2014.

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Jen Molte
Created by Jen Molte over 2 years ago
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