[1 Mark Question Answer]

Question 11 Mark

Given below statement is incorrect. Write the correct statement :
The SI unit of work or energy is calorie.

Answer

Correct Statement:The SI unit of work or energy is joule.

Question 21 Mark

Given below statement is incorrect. Write the correct statement :
A teacher taking a class while standing, does work.

Answer

Correct Statement:A teacher taking a class while walking, does work.

Question 31 Mark

Given below statement is incorrect. Write the correct statement :
Work is done when a force causes displacement at right angles to its own direction.

Answer

Correct Statement:Work is done when a force causes displacement at less than 90 degrees to its own direction.

Question 41 Mark

Given below statement is incorrect. Write the correct statement :
Work done by a body is the product of power and displacement.

Answer

Correct Statement:Work done by a body is the product of force and displacement.

Question 51 Mark

Given below statement is incorrect. Write the correct statement :
Work is done when you hold a heavy suitcase in your hand.

Answer

Correct Statement: Work is done when you displace a heavy suitcase in your hand.

PHYSICS [1 Mark Question Answer]