Physics
What is the direction of torque?

Opposite to the direction of applied force
Perpendicular to the direction of applied force
Parallel to the radius
Same as the direction of applied force

ANSWER DOWNLOAD EXAMIANS APP

Physics
A hydrogen balloon floats up because of

The pressure inside the balloon is more than the pressure outside it
Air pressure decreases with decrease in weight
Weight of the balloon is less than the weight of air displaced by it.
Air pressure decreases with decrease in height

ANSWER DOWNLOAD EXAMIANS APP