Question

# If the net force on a hot-air balloon is directed straight upward, which way does the acceleration point?

A
Downward only if the balloon if falling
No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
B
Upward only if the balloon is rising
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
Upward and in the downward direction
No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
D
Upward
No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
E
None of the above: a hot air balloon floats in the atmosphere with zero acceleration.
No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
Open in App
Solution

## The correct option is B Upward only if the balloon is risingGiven, Direction of acceleration of balloon is upward. Force = mass x acceleration →F=m→a Direction of acceleration is toward the net force. Hence, direction of net force is upward if balloon is rising.

Suggest Corrections
0
Related Videos
F=ma
PHYSICS
Watch in App
Explore more