MEDIUM
8th Telangana Board
IMPORTANT
Earn 100

Explain with one example that frictional force is proportional to the normal force?

Important Questions on Friction

MEDIUM
8th Telangana Board
IMPORTANT
Physical Science Class 8>Chapter 2 - Friction>Improve your learning>Q 1
Explain why do sportsmen use shoes with spikes?
EASY
8th Telangana Board
IMPORTANT
Physical Science Class 8>Chapter 2 - Friction>Improve your learning>Q 2
Would it be easier or difficult for you to walk on a marble floor with soapy water? Why?
MEDIUM
8th Telangana Board
IMPORTANT
Physical Science Class 8>Chapter 2 - Friction>Improve your learning>Q 3
What happens if we do not reduce friction in machines?
MEDIUM
8th Telangana Board
IMPORTANT
Physical Science Class 8>Chapter 2 - Friction>Improve your learning>Q 4
What purposes are served by using bearings in machines? Explain with daily life examples.
HARD
8th Telangana Board
IMPORTANT
Physical Science Class 8>Chapter 2 - Friction>Improve your learning>Q 5
Draw a free body diagram (FBD) to show various forces acting on a body which is sliding on an inclined plane. 
MEDIUM
8th Telangana Board
IMPORTANT
Physical Science Class 8>Chapter 2 - Friction>Improve your learning>Q 1
Do you agree with the statement “Friction is both good and evil”? Explain with examples. 
MEDIUM
8th Telangana Board
IMPORTANT
Physical Science Class 8>Chapter 2 - Friction>Improve your learning>Q 2
Reducing friction to the lowest possible level in machine tools solves the problem of the energy crisis and conserve biodiversity. How do you support the statement? Explain.
MEDIUM
8th Telangana Board
IMPORTANT
Physical Science Class 8>Chapter 2 - Friction>Improve your learning>Q 3
Scientists designed the shape of an aeroplane using the technique of reducing fluid friction by observing birds shape. How would you appreciate?