NDA Government Jobs Exams

An object is undergoing a non-accelerated motion. It srate of change in momentum is -
(a) a non-zero constant (b) zero
(c) not a constant (d) none of the above

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NDA Other Question

A motor vehicle is moving on a circle with a uniform speed. The net acceleration of the vehicle is -
(a) zero
(b) towards the centre of the circle
(c) away from the centre along the radius of the circle
(d) perpendicular to the radius and along the velocity Imagine a current-carrying wire with the direction of current downward or into the page. The direction of
magnetic field lines is -
(a) clockwise (b) anti-clockwise
(c) into the page (d) out of the page