NCERT Exemplar IV — task. Science CBSE, Class 9.

PDF chapter test TRY NOW

1. An object of mass

$2\ kg$ is sliding with a constant velocity of

$4\ m\ s^{-1}$ on a frictionless horizontal table. The force required to keep the object moving with the same velocity is

$32\ N$
$8\ N$
$2\ N$
$0\ N$

2. A water tanker filled up to

$\frac{2}{3}$ of its height is moving with a uniform speed. On sudden application of the brake, the water in the tank would

move backward
rise upwards
move forward
be unaffected

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content