Q. 3

You are sitting in a stationary car. There is a helium balloon tied to its floor. You accelerate and obviously feel like you are being pushed backwards (against the direction of your accelerations). The balloon.
A. will move forward

B. will move backward

C. will remain state

D. None of these

Answer :

Helium is less denser than the air and so it is lighter then the air, so when the car is accelerated the air starts moving backwards but as the helium is lighter it is pushed forward by the air collecting at its back.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
About Acceleration50 mins
Velocity Time GraphFREE Class
Champ Quiz | Motion under gravity46 mins
Second Equation of Motion48 mins
Understanding Motion60 mins
Interactive Quiz - Motion29 mins
Learn The Use of Equations of Motion37 mins
Learning about Velocity54 mins
Foundation | Circular Motion51 mins
Quiz | Graph Part- 246 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses