During walk on
the road, the ground pushes us forward due to …….
a) action
b) reaction
c) both a and b
d) none of these
When air is released from the balloon, it is…
a) action
b) reaction
c) friction
d) gravity
When air is released from the balloon, the balloon moves in ahead. It is……
a)action
b)reaction
c) friction
d) gravity
When rocket is fired, hot gases move out with…….force.
a) action
b) reaction
c) friction
d) gravity
When rocket is fired, hot gases move out with action force and the rocket moves in……… direction.
a) backward
b) reverse
c)forward
d) sidewise
Explanation:A rocket is a spacecraft, aircraft, vehicle or projectile that obtains thrust from a rocket engine. Rocket engine exhaust is formed entirely from propellant carried within the rocket.
Exercise:
