coffient of friction of a body with two surfaces As
e are 0.2 0.3 Respectively. If the force of Lemite
Friction for Surface of is 16 N. Find its value for surface b
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Answer:
Maximum frictional force acting on the block f=μmg cos30
o
f=0.8×1×9.8×0.866=6.8 N
Downward force =mg sin30=1×9.8×0.5=4.9 N
Since downward force is less than maximum frictional force, thus the tension in the string is zero.
Explanation:
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