AP EAMCET Engineering 21 Apr 2019 Shift 1 Paper

The magnitude of the radius is calculated as,
R‌‌=√(2)2+(1)2+(2)2
‌‌=√9
‌‌=3m
The magnitude of the force is calculated as,
F‌‌=√(3)2+(2)2+(−4)2
‌‌=√29N
The torque on the flywheel is calculated as,
τ‌‌=Iα
FR‌‌=(‌

MR2

2

)α
The angular acceleration is,
α=‌

2F

MR

=‌

2√29

1×3

=‌

2

3

√29
The angular velocity is calculated as
ω=ω0+αt
=0+‌

2

3

√29×(4.5)
=√261rads−1