Question

A 10N force moves around a circular path of radius 50cm.what is work done in completing one revolution? Solution plz

Answer 1

Explanation:

answer may be 0 as Work is given by force.disp here disp. is 0

Answer 2

Answer:

Radius, r=50 cm

Time period, T=40 s=

v

2πr

⇒v=

T

2πr

⇒v=

40

2π×50

⇒v=2.5π cm/s

Centripetal acceleration, a=

r

v

2

⇒a=

50

6.25π

2

⇒a=0.125π

2

cm/s

2

⇒a≈0.13π

2

cm/s

2