A conceptual quest.

A block moves down an incline with a constant velocity. What is the force exerted by the incline on the block ?

4 Answers

1
shreya ·

if no friction is there on the incline then force exerted is zero.

if friction is there then force exerted will be resultant of the normal force and the frictional force exerted.

1
Bicchuram Aveek ·

Exactly :-)

19
Debotosh.. ·

how is that?
if there is no friction then the force exerted by the incline ought to be a component of (mg)...how come ZERO????

also,if you say it is an incline and if friction is present then the force exerted by the incline on block is mg(√cos2θ + sin2θ) = 1
.....suitably choose θ///////point out any flaws,if any !

1
Bicchuram Aveek ·

And friction will have to be there as the net force is zero....aree block ka horizontal component hai ki nehi re ? So debotosh organic chemistry chatterjee is correct.

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