Advertisements
Advertisements
Question
State if the following statement is true or false. Correct the statement if it is false.
Friction has no relation with our walking or running.
Options
True
False
Solution
False.
Friction helps us with our walking or running.
APPEARS IN
RELATED QUESTIONS
A charged glass rod attracts a charged plastic straw.
Define static friction
Answer the following.
What do you understand by a force?
Fill in the blank.
Bicycles use ...................... to reduce friction between the pedals and the crank
A moving body comes to rest due to friction alone.
Match the following.
Column I | Column II | |
a) | Static friction | Viscosity |
b) | Kinetic friction | Least friction |
c) | Rolling friction | Objects are in motion |
d) | Friction between the liquid layers | Objects are sliding |
e) | Sliding friction | Objects are at rest |
Why is a ball bearing used in a cycle hub?
Is there any possibility of making a special device to measure the magnitude of friction directly?
Analogy
Objects placed at rest on earth: ______:: Bodies slide over the surface on other body: ______.
Complete the analogy.
Knot in a thread : ______ friction :: Ball bearing : ______ friction.