Engineering Dynamics: Motion and Forces
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Questions and Answers

A particle moves along a straight line with an acceleration of 2 m/s^2. If the initial velocity is 5 m/s, what will be the velocity after 4 seconds?

  • 25 m/s
  • 17 m/s
  • 13 m/s (correct)
  • 21 m/s
  • A rigid body rotates about a fixed axis with an angular velocity of 3 rad/s. If the angular acceleration is 2 rad/s^2, what will be the angular velocity after 2 seconds?

  • 9 rad/s
  • 11 rad/s
  • 7 rad/s (correct)
  • 5 rad/s
  • A force of 50 N is applied to a body of mass 10 kg. What is the resulting acceleration?

  • 3 m/s^2
  • 5 m/s^2 (correct)
  • 2 m/s^2
  • 10 m/s^2
  • A rigid body rotates about a fixed axis with an angular displacement of 2 rad. If the angular velocity is 4 rad/s, what is the time elapsed?

    <p>0.5 s</p> Signup and view all the answers

    A particle moves in a circular path with a radius of 2 m. If the angular velocity is 5 rad/s, what is the linear velocity?

    <p>10 m/s</p> Signup and view all the answers

    Study Notes

    Linear Motion

    • A particle moves along a straight line with an acceleration of 2 m/s^2.
    • If the initial velocity is 5 m/s, the velocity after 4 seconds can be calculated.
    • Force and mass are related to acceleration, but not mentioned in this scenario.

    Rotational Motion

    • A rigid body rotates about a fixed axis with an angular velocity of 3 rad/s.
    • If the angular acceleration is 2 rad/s^2, the angular velocity after 2 seconds can be calculated.
    • Angular displacement is related to angular velocity, but not mentioned in this scenario.

    Force and Acceleration

    • A force of 50 N is applied to a body of mass 10 kg.
    • The resulting acceleration can be calculated using the force and mass.

    Rotational Kinematics

    • A rigid body rotates about a fixed axis with an angular displacement of 2 rad.
    • If the angular velocity is 4 rad/s, the time elapsed can be calculated.

    Circular Motion

    • A particle moves in a circular path with a radius of 2 m.
    • If the angular velocity is 5 rad/s, the linear velocity can be calculated.
    • The radius of the circular path is 2 m.

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    Description

    Quiz on engineering dynamics, covering kinematics and kinetics of particles and rigid bodies in motion, including acceleration, velocity, and force.

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