Skip to content

Course home

Sign up

1.5.1a Forces, resultant force and motion

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129
Question 76

A helium-filled balloon is released and rises vertically through the air. Under what condition does the balloon reach its terminal velocity?

A

When the upward buoyant force is equal to the weight of the balloon.

B

When the drag force is equal to the weight of the balloon.

C

When the upward buoyant force is equal to the sum of the weight and the drag force.

D

When the acceleration of the balloon is equal to the acceleration of free fall, ggg.

Markscheme

1.5.1a Forces, resultant force and motion Questions

  1. IGCSE
  2. /Physics
  3. /1.5.1a Forces, resultant force and motion

183 exam-style questions on CIE IGCSE Physics 1.5.1a Forces, resultant force and motion. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank