Question

. A spring balance read 80 N weight of body as 160
N moving with accelerated motion. If mass of a
body is 10 Kg, then the magnitude of acceleration is???​

Answer 1

Answer:

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ANSWER

Given that,

Mass of body m=10kg

Acceleration a=2m/s

2

(I). The lift is ascending with an acceleration

According to figure

T−mg=ma

T=ma+mg

g

T

=m+

g

ma

g

T

=10+

10

10×2

g

T

=12kg

(II). the descending with the same acceleration

mg−T=ma

T=mg−ma

g

T

=m−

g

ma

g

T

=10−

10

10×2

g

T

=10−2

g

T

=8kg

(III). the descending with a constant velocity

T−mg=0

T=mg

g

T

=10kg

This is the answer