Help
Contact
For teachers and institutes
Search courses, problems, tests…
A
A
>_
StemPy Lab
Courses ▾
Problems ▾
Practice ▾
Mock Tests
Classes
Groups
Community ▾
A
A
Which of these is a case where friction is **useful**? | StemPy Lab
Quizzes
/
Which of these is a case where friction is **useful**?
Physics
Easy
High School (9–10)
General
Mechanics › Friction
Created by
StemPy Lab
Which of these is a case where friction is
useful
?
Heat in the moving parts of a machine
The wearing out of a car's engine parts
The grip of shoes on the ground while walking
A bicycle chain getting hard to pedal
Check Answer
Log in to save
Tag someone
⚑ Report
← All Quizzes
← Why do we put oil on the hinges of a squeaking door?
A 2.5 kg ball sits at rest on a table. What is the net force on it? →
More on
Mechanics › Friction
Discussion (0)
Log in
to join the discussion.
Loading…
Problems on this topic
A block is sent up a slope at 27° with a speed of 8.0 m/s.
Hard
A block rests on a board. The coefficient of static friction between them is 0.55.
Medium
A box slides from rest down a slope 5.5 m long, at 32° to the horizontal.
Medium
A sledge starts from rest and slides 7.2 m down an icy slope at 22°.
Easy
All problems on this topic →
Created by StemPy LabCreated by StemPy Lab