first law of motion
second law of motion
third law of motion
law of universal gravitation
Correct answer is A
No explanation has been provided for this answer.
When the linear momentum of a body is constant, the net force acting on it
is zero
increases
decreases
remains constant
Correct answer is A
No explanation has been provided for this answer.
When an elastic material is stretched by a force, the energy stored in it is
kinetic
potential
thermal
electrical
Correct answer is B
No explanation has been provided for this answer.
\(m \omega^2 r\)
\(\frac{mv^2}{r}\)
\(m \omega r\)
\(\frac{mv^2}{r^2}\)
Correct answer is A
No explanation has been provided for this answer.
A ball falling through a viscous liquid is acted upon by
upthrust only
upthrust and the ball's weight
the ball's weight and viscous force
upthrust, the ball's weight and viscous force
Correct answer is D
No explanation has been provided for this answer.