Work Power and Energy 3 Question 2
2. An ideal spring with spring constant
(2002, 2M)
(a)
(b)
(c)
(d)
Assertion and Reason
Mark your answer as
(a) If Statement I is true, Statement II is true; Statement II is the correct explanation for Statement I
(b) If Statement I is true, Statement II is true; Statement II is not a correct explanation for Statement I
(c) If Statement I is true; Statement II is false
(d) If Statement I is false; Statement II is true
Show Answer
Answer:
Correct Answer: 2. (c)
Solution:
- In statement I Decrease in mechanical energy in case I will be
But decrease in mechanical energy in case II will be
or statement I is correct. In statement II Coefficient of friction will not change or this statement is wrong.
