• ( 1 ) It is the factor by which a mechanism multiplies the force put into it.

    • 1) factor of safety
    • 2) mechanical factor
    • 3) mechanical advantage
    • 4) mechanical coefficient
    • Discussion in forum
      Answer : 3) mechanical advantage
      Solution :








      discussion


      Answer : 3) mechanical advantage

    • ( 2 ) Rolling resistance coefficient is a dimensionless quantity also known as

    • 1) coefficient of rolling friction
    • 2) coefficient of friction
    • 3) coefficient of resistance
    • 4) rolling friction constant
    • Discussion in forum
      Answer : 1) coefficient of rolling friction
      Solution :








      discussion


      Answer : 1) coefficient of rolling friction

    • ( 3 ) The value of Gforce is equal to

    • 1) 1.211 x 1041 N
    • 2) 1.211 x 1042 N
    • 3) 1.211 x 1043 N
    • 4) 1.211 x 1044 N
    • Discussion in forum
      Answer : 4) 1.211 x 1044 N
      Solution :








      discussion


      Answer : 4) 1.211 x 1044 N

    • ( 4 ) Centripetal acceleration

    • 1) changes the direction of the velocity.
    • 2) changes the magnitude of the velocity.
    • 3) changes the magnitude of angular velocity.
    • 4) changes nothing about velocity.
    • Discussion in forum
      Answer : 1) changes the direction of the velocity.
      Solution :








      discussion


      Answer : 1) changes the direction of the velocity.

    • ( 5 ) Torricelli's equation of motion is

    • 1) Vf2 = Vi2 + 2as
    • 2) Vf = Vi + at
    • 3) Vf2 = Vi2 + at
    • 4) Vf = Vi + 2as
    • Discussion in forum
      Answer : 1) Vf2 = Vi2 + 2as
      Solution :








      discussion


      Answer : 1) Vf2 = Vi2 + 2as

    • ( 6 ) It is an equation used to find the final velocity of an object moving with a constant acceleration without having a known time interval.

    • 1) Bernoulli's equation
    • 2) Torricelli's equation
    • 3) Newton's equation
    • 4) Cavendish's equation
    • Discussion in forum
      Answer : 2) Torricelli's equation
      Solution :








      discussion


      Answer : 2) Torricelli's equation

    • ( 8 ) It defines limits on how accurately the momentum and position of a single observable system can be known at once.

    • 1) Heisenberg uncertainty principle
    • 2) particle momentum principle
    • 3) particle position principle
    • 4) Bohr's uncertainty principle
    • Discussion in forum
      Answer : 1) Heisenberg uncertainty principle
      Solution :








      discussion


      Answer : 1) Heisenberg uncertainty principle

    • ( 9 ) Collisions in which objects rebound with the same speed as they had prior to the collision are known as __________.

    • 1) elastic collisions
    • 2) inelastic collisions
    • 3) static collisions
    • 4) plastic collisions
    • Discussion in forum
      Answer : 1) elastic collisions
      Solution :








      discussion


      Answer : 1) elastic collisions

    • ( 10 ) It is an additional force that exactly balances a resultant force.

    • 1) reactant
    • 2) equilibrant
    • 3) buoyant
    • 4) reverse effective force
    • Discussion in forum
      Answer : 2) equilibrant
      Solution :








      discussion


      Answer : 2) equilibrant





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