in the direction of force – Discussion Forum

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Ayushree

Asked: September 12, 2026In: Class 9 Science

Fill in the blanks. (i) Work done = ___ multiplied by _ (in the direction of force).(ii) 1 joule of work is done when a force of _ newton displaces an object by 1 metre in the direction of the force. (iii) The expression for kinetic energy of a body of mass m and velocity v is _. (iv) The potential energy of an object of mass m at a small height h from the Earth surface is _. (v) Power is defined as the ___ at which work is done.

The correct filled terms are force and displacement for part one, one for part two, half m v square for part three, m g h for part four and rate for part five respectively.