Shobhita Johari, Pankaj Tyagi and, Parminder Chopra Solutions for Exercise 2: Check Point
Author:Shobhita Johari, Pankaj Tyagi & Parminder Chopra
Shobhita Johari Science Solutions for Exercise - Shobhita Johari, Pankaj Tyagi and, Parminder Chopra Solutions for Exercise 2: Check Point
Attempt the practice questions from Exercise 2: Check Point with hints and solutions to strengthen your understanding. I Explore 3rd EDITION A Science Textbook 8 solutions are prepared by Experienced Embibe Experts.
Questions from Shobhita Johari, Pankaj Tyagi and, Parminder Chopra Solutions for Exercise 2: Check Point with Hints & Solutions
EASY
8th CBSE
IMPORTANT
Match the correct answer.
| a. Static friction | i. Less irregularities |
| b. Smooth surface | ii. More irregularities |
| c. Sliding friction | iii. Strong interlocking |
| d. Rough surface | iv. Weak interlocking |
EASY
8th CBSE
IMPORTANT
All surfaces look uneven at the microscopic level.
EASY
8th CBSE
IMPORTANT
Opening of irregularities of two surfaces is called interlocking.
EASY
8th CBSE
IMPORTANT
Interlocking is much more between smooth surfaces than rough surfaces.
EASY
8th CBSE
IMPORTANT
Interlocking between two surfaces increases when they are pressed harder against each other.
EASY
8th CBSE
IMPORTANT
Sliding friction is always larger than static friction.
EASY
8th CBSE
IMPORTANT
It is easier to slide an empty box than a filled box.
