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  • Question
  • In the shown figure, if the angle of inclination of the plane is increased, then acceleration of the system will
    In the shown figure, if the angle of inclination of the plane is increased, then acceleration of the


  • Options
  • A. increase
  • B. decrease
  • C. remain the same

  • Correct Answer
  • decrease 


  • Engineering Mechanics problems


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    • 1. According to principle of conservation of energy, the total momentum of a system of masses in any direction remains constant unless acted upon by an external force in that direction.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. The friction experienced by a body, when in motion, is known as

    • Options
    • A. rolling friction
    • B. dynamic friction
    • C. limiting friction
    • D. static friction
    • Discuss
    • 3. Static friction is always __________ dynamic friction.

    • Options
    • A. equal to
    • B. less than
    • C. greater than
    • Discuss
    • 4. The term 'force' may be defined as an agent which produces or tends to produce, destroys or tends to destroy motion.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 5. The range of a projectile is maximum, when the angle of projection is

    • Options
    • A. 30°
    • B. 45°
    • C. 60°
    • D. 90°
    • Discuss
    • 6. The mechanical advantage of a lifting machine is the ratio of

    • Options
    • A. distance moved by effort to the distance moved by load
    • B. load lifted to the effort applied
    • C. output to the input
    • D. all of the above
    • Discuss
    • 7. A resultant force is a single force which produces the same effect as produced by all the given forces acting on a body.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as

    • Options
    • A. principle of independence of forces
    • B. principle of resolution of forces
    • C. principle of transmissibility of forces
    • D. none of these
    • Discuss
    • 9. Two balls of equal mass and of perfectly elastic material are lying on the floor. One of the ball with velocity v is made to struck the second ball. Both the balls after impact will move with a velocity

    • Options
    • A. v
    • B. v/2
    • C. v/4
    • D. v/8
    • Discuss
    • 10. The angle between two forces when the resultant is maximum and minimum respectively are

    • Options
    • A. 0° and 180°
    • B. 180° and 0°
    • C. 90° and 180°
    • D. 90° and 0°
    • Discuss


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