AP EAPCET 05-Jul-2022 Shift 2 Paper

Given, mass of object, m=10‌kg
distance travelled by object, s=2m Time, t=1 s
According to given situation,
s‌=ut+‌

1

2

at2
⇒‌‌s‌=0+‌

1

2

at2
[∴u=0]
s‌=‌

1

2

at2
⇒‌‌2‌=‌

1

2

×a×12
a‌=4ms−2
Net force on the object in liquid,
F‌net ‌=ma=10×4=40N
Weight of the object,
w‌=mg
‌=10×10=100N
Upthrust force on the object,
F′=w−F‌net ‌=100−40=60N
According to Archimedes' principle,
Weight liquid displaced = Upthrust force
⇒‌‌m′=‌

F′

g

=‌

60

10

=6‌kg