Q2 - Fill in the blanks.

Last updated at September 16, 2026 by

  • ๐Ÿ“‹ Revise, Reflect, Refine, Q2 (Page 137)
    Fill in the blanks.
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    Answer
    Statement Answer
    (i) Work done = _____ × _____ (in the direction of force). Force × Displacement
    (ii) 1 joule of work is done when a force of _____ newton displaces an object by 1 metre in the direction of the force. 1 (one)
    (iii) The expression for kinetic energy of a body of mass m and velocity v is _____. ½mv²
    (iv) The potential energy of an object of mass m at a small height h from the Earth's surface is _____. mgh
    (v) Power is defined as the _____ at which work is done. rate
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