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PHYSICS LAWS OF MOTION

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  • Which has more inertia, a cricket ball or a rubber ball of the same size ?
    cricket ball
  • Body A is heavier than body Question Which has more inertia?
    A has more inertia.
  • If the body is found to be accelerated, is the force acting on it balanced or unbalanced?
    Unbalanced.
  • Name the physical quantity that corresponds to the rate of change of momentum
    FORCE
  • When a running car stops suddenly, the passengers are jerked …………………..
    forward
  • FIRST LAW OF MOTION IS ALSO CALLED AS ------------------
    LAW OF INERTIA
  • Write the C.G.S unit of force.
    Dyne.
  • When a stationary car starts suddenly, the passengers are jerked …………………..
    backward
  • Name the property of bodies (or objects) to resist a change in their state of rest or of motion.
    INERTIA
  • Why do bicycles begin to slow down when we stop pedalling? ONE WORD ANSWER
    FRICTION FORCE
  • What is the SI unit of momentum ?
    kilogram meters per second(kg.m/s)
  • State whether the following statement is true or false : Unbalanced forces acting on a body change its shape.
    FALSE
  • What will be the momentum of a body of mass ‘m’ which is moving with a velocity V ?
    MV
  • With which physical quantity should the speed of a running bull be multiplied so as to obtain its momentum ?
    MASS
  • HOW MANY TYPES OF INERTIA DO WE HAVE
    3
  • Which law of motion gives the measure of force?
    Newton’s second law of motion.