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A : Due to inertia an object is unable t...

A : Due to inertia an object is unable to change by itself its state of rest and uniform motion.
R : An object cannot change its state unless acted upon by an unbalanced external force.

A

If both Assertion & Reason are true and the reason is the correct explanation of the assertion

B

If both Assertion & Reason are true but the reason is not the correct explanation of the assertion

C

If Assertion is true statement but Reason is false

D

If both Assertion and Reason are false statements

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Knowledge Check

  • Assertion : Inertia is the property by virtue of which the body is unable to change by itself the state of rest only. Reason : The bodies do not change their state unless acted upon by an unbalanced external force.

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion
    C
    If assertion is true but reason is false.
    D
    If assertion is fa lse but reason is true.

  • Force acts on an object may change

    A
    direction
    B
    shape
    C
    speed
    D
    all of above

  • Which of the following statements are true? (i) An object will continue moving uniformly until the resultant force on it is zero. (ii) The bodies do not change their state of rest or motion unless acted upon by an unbalanced external force. (iii) If a body is at rest on the surface of the Earth, then the net downward Torce exer force exerted by the Earth and net upward force exerted on the body are not equal to each other.

    A
    Only (i) and (ii)
    B
    Only (ii) and (iii)
    C
    Only (i) and (iii)
    D
    All (i), (ii) and (iii)

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    All objects resists a change in their state. It is called,

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