Stokes' law, F = 6πη rv, holds for a small sphere moving | StemPy Lab

Help Contact For teachers and institutes

Mock Tests Classes Groups

StemPy Lab

Learn. Solve. Code the solutions. Test yourself.

Live examsFree mock exams, timed and rankedEveryone starts together, and your score and rank come the moment it ends.See the exams →

Learn

Physics
Chemistry
Mathematics
Biology
Python Programming
Statistics & Data Science
Classes
Groups

Practice

Problems
Quizzes
Mock Tests
Question Sets
Exams
Certificates
Python Labs
AI Practice Generator
Student-Created Tests

Community

Discussions
Resources
Notes
Blog

Account

Dashboard
My Content
Profile
Log in

© 2026 senLearn. All rights reserved.Help About Contact Privacy Policy Terms of Use Refund Policy

Stokes' law, F = 6πη rv, holds for a small sphere moving | StemPy Lab

Quizzes
Stokes' law, F = 6πη rv, holds for a small sphere moving

PhysicsEasyHigh School (11–12)Mechanics › Fluid Flow, Bernoulli's Principle and Viscosity

Created by StemPy Lab

Stokes' law, $F = 6\pi\eta rv$ , holds for a small sphere moving

← All Quizzes

← A steel ball of radius 1.5 mm (density 7800 kg/m³) falls through glycerine (density 1260 kg/m³, viscosity 0.80 Pa s). What is its terminal speed? (g = 9.8 m/s².)A soap film on a wire frame is stretched so that its area grows by 50 cm². How much work is done? (Surface tension 0.030 N/m.) →

More onMechanics › Fluid Flow, Bernoulli's Principle and Viscosity

Discussion (0)

Log in to join the discussion.

Loading…

More questions on this topic

A small ball is dropped from rest into a tall jar of oil. How does its speed change with time?Easy
A glass plate of area 0.10 m² is dragged at 0.20 m/s over a film of oil 0.50 mm thick (viscosity…Easy
Taking g = 10 m/s², water leaves a small hole 1.25 m below the surface of a tank, moving sideways.…Medium
Water flows at 0.50 m/s through a pipe of cross-section 40 cm². How many litres pass each second?Easy
Water in a level main speeds up from 1.0 m/s to 3.0 m/s where the main narrows. By how many kPa is…Easy

All questions on this topic →

Problems on this topic

Answer, and give a reason. Why do big hailstones hit the ground much harder than small ones?Easy
A drop of drizzle of radius 0.030 mm falls through air of viscosity 1.8 × 10⁻⁵ Pa s.Medium
A brass ball of radius 1.2 mm (density 8500 kg/m³) falls through glycerine (density 1260 kg/m³…Medium
A flat plate of area 0.15 m² slides at a steady 0.60 m/s over a fixed surface, on a film of oil 1.2…Easy

All problems on this topic →