JEE Advanced2008PhysicsLaws of MotionActual
Statement 1 It is easier to pull a heavy object than to push it on a level ground. and Statement 2 The magnitude of frictional force depends on the nature of the two surfaces in contact.
Options
- AStatement 1 is true, Statement 2 is true, Statement 2 is a correct explanation for Statement 1.
- BStatement 1 is true, Statement 2 is true, Statement 2 is not a correct explanation for Statement 1.
- CStatement 1 is true, Statement 2 is false.
- DStatement 1 is false, Statement 2 is true
Correct answer
B. Statement 1 is true, Statement 2 is true, Statement 2 is not a correct explanation for Statement 1.
Step-by-step solution
Both statements are correct. But statement-2, does not explain correctly, statement- 1 . Correct explanation is : "There is increase in nomal reaction when the object is pushed and there is decrease in normal reaction when the object is pulled (but strictly not horizontally).