EASY
7th West Bengal Board
IMPORTANT
Earn 100

Take a piece of chalk. Rub it on a part of the wall to make that portion of the wall white. Now apply force on that portion of the wall. Does the white area on the wall (where the force was applied) get deformed?

Important Questions on Time and Motion

EASY
7th West Bengal Board
IMPORTANT
Environment and Science Class 7>Chapter 2 - Time and Motion>Exercise 10

Take a piece of chalk. Rub it on a part of the wall to make that portion of the wall white. Does the chalk dust from some areas on the market portion of the wall come off?

EASY
7th West Bengal Board
IMPORTANT
Environment and Science Class 7>Chapter 2 - Time and Motion>Exercise 10
Take a piece of chalk. Rub it on a part of the wall to make that portion of the wall white. Now apply force on that portion of the wall. Where has it gone? Check whether there is any white mark on your palm.
EASY
7th West Bengal Board
IMPORTANT
Environment and Science Class 7>Chapter 2 - Time and Motion>Exercise 10

Take a piece of chalk. Rub it on a part of the wall to make that portion of the wall white. Now apply force on that portion of the wall.
Do the muscles of your palm get depressed while pushing the wall?

EASY
7th West Bengal Board
IMPORTANT
Environment and Science Class 7>Chapter 2 - Time and Motion>Exercise 10
Take a piece of chalk. Rub it on a part of the wall to make that portion of the wall white. Now apply force on that portion of the wall.
Will the portion of the wall that was pushed get deformed, if the wall were made up of rubber?