Question

hav some doubts on rotation,work energy etc

Answer 1

1:how do we calculate spring constant if we have more than one springs connected in different orders like :Series and parallel?

Answer 2

2:Is work done for both sretching and compressing a spring +ve?

Answer 3

2.if force is applied in the direction of displacement it is positive

Answer 4

2.yes

Answer 5

for both cases?

Answer 6

for any case if force is appled in the direction of displacement it is positive

Answer 7

i mean work is positive

Answer 8

3:hw do we get acceleration=g*sin theta/(1+k^2+r^2) in the case of a body rolling down an inclined plane?

Answer 9

ippo para ninde work +ve annu -ve anno?