Physics, asked by Anonymous, 1 year ago

a particle describes a horizontal circle of radius 2m with uniform speed. the centripetal force acting is 30N .the work done is describing a semi circle is.

Answers

Answered by zxcbnm

in this case as instantaneous velocity vector is always perpendicular to Continental force so work done is zero for any part of the path as angle between F and displacement is always 90

Previous Question

Next Question

Similar questions

India Languages, 6 months ago

I will go with my father a-ploughing To the green field by the sea And the rooks and the crows and the seagull Will come flocking after me. I will sing to the patient horses With the lark in the while of the ait, And my father will sing the plough-song That blesses the cleaving share,...

English, 6 months ago

As they neared the village the child could see many other footpaths full of throngs, converging to the whirlpool of the fair, and felt at once repelled and fascinated by the confusion of the world he was entering. i. Who are ‘they’ here? ii. What did the child see on the footpaths? iii. Explain the ‘whirlpool’ of the fair. iv. Why did the child feel at once repelled and fascinated?

Math, 6 months ago

मुन्ना सब ट्रैक्टर राइट द नंबर ऑफ नोटबुक ही है फ्रॉम 15 फाइंड द रिजल्ट ऑफ 8...

English, 1 year ago

hey friends who has mind to solve this que. $\frac{4} {4.5} = \frac{8}{9}$ ...

Science, 1 year ago

examples of metals with variable valency...

Geography, 1 year ago

Prairies about extent or location...

Math, 1 year ago

The length of diagonals of rhombus are 24 cm and 32 cm. The perimeter of the rhombus is...

English, 1 year ago

what is the literal and extended meaning of word train?