EASY
11th Odisha Board
IMPORTANT
Earn 100

Explain how friction is a necessary evil.

Important Questions on Laws of Motion

EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 4 - Laws of Motion>MODEL QUESTIONS>Q 26
What is the minimum stopping distance of a car of mass m moving with speed g along a level road if the coefficient of static friction between tyres and road is μ.
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 4 - Laws of Motion>MODEL QUESTIONS>Q 27
What are the methods for reducing friction?
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 4 - Laws of Motion>MODEL QUESTIONS>Q 28
Give two examples where friction is artificially increased.
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 4 - Laws of Motion>MODEL QUESTIONS>Q 29
State the laws of friction.
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 4 - Laws of Motion>MODEL QUESTIONS>Q 30
Why does lubrication reduce friction?
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 4 - Laws of Motion>MODEL QUESTIONS>Q 31
Why is it easier to roll a barrel than push it along a road?
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 4 - Laws of Motion>MODEL QUESTIONS>Q 32
What are the causes of sliding friction?
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 11>Chapter 4 - Laws of Motion>MODEL QUESTIONS>Q 1
A force of 3000 dyne Acts on a mass of 400 g for 10sec. Find the velocity and momentum of body after 10 s.