Identify the methods of increasing and decreasing friction and choose the correct option. (i) The tyres of vehicles have treads. (ii) Gymnasts often apply a coarse material on their hands. (iii) Saliva in our mouth helps us to swallow food. (iv) A surgeon powders his hand before pulling on his plastic gloves

Question

Identify the methods of increasing and decreasing friction and choose the correct option. (i)  The tyres of vehicles have treads. (ii) Gymnasts often apply a coarse material on their hands. (iii) Saliva in our mouth helps us to swallow food. (iv) A surgeon powders his hand before pulling on his plastic gloves

TuteeHUB · Accepted Answer

(i) (ii) (iii) (iv)  Decreasing Decreasing Increasing Increasing

TuteeHUB · Answer

(i) (ii) (iii) (iv)  Increasing Decreasing Increasing Decreasing

TuteeHUB · Answer

(i) (ii) (iii) (iv)  Decreasing Increasing Decreasing Increasing

TuteeHUB · Answer

$$8h/9$$ metres from the ground

1.	Identify the methods of increasing and decreasing friction and choose the correct option. (i) The tyres of vehicles have treads. (ii) Gymnasts often apply a coarse material on their hands. (iii) Saliva in our mouth helps us to swallow food. (iv) A surgeon powders his hand before pulling on his plastic gloves
A.	(i) (ii) (iii) (iv) Increasing Decreasing Increasing Decreasing
B.	(i) (ii) (iii) (iv) Decreasing Increasing Decreasing Increasing
C.	\[8h/9\] metres from the ground
D.	(i) (ii) (iii) (iv) Decreasing Decreasing Increasing Increasing
Answer» D. (i) (ii) (iii) (iv) Decreasing Decreasing Increasing Increasing

Discussion

No Comment Found

Related MCQs

Reply to Comment