CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Centre of Gravity for Irregular Surfaces and Shift in Center of Gravity

A person of m...

Question

A person of mass 80kg is inside an elevator moving upwards against the gravity with an acceleration of 6m/s^2. Taking g = 10m/s^2, what is the net weight of the person?

Open in App

Solution

T= mg + ma = m(g+a)

Therefore net weight = 80(10+6)
= 80 x 16
= 1280 N

Suggest Corrections

thumbs-up

1

Similar questions

Q. A man of mass

75

kg is standing in an elevator which moving with an acceleration of

5 m / s^{2}

upwards direction. The apparent weight of the man will be ( g=

10 m / s^{2}

)

Q. An elevator is accelerating upwards with an acceleration of

6 {m/s}^{2}

. Inside it a person of mass

50 kg

is standing on a weighing machine having rough surface which is kept on an inclined plane having angle of inclination

60^{\circ}

. The reading of the weighing machine is -

(

g = 10 {m/s}^{2})

Q. A person of mass

60 k g

is inside a lift of mass

940 k g

and present the button of control panel. The lift starts moving upwards with an acceleration

1.0 m / s^{2}

g = 10 m s^{- 2}

, the tension in the supporting cable is -

Q. An elevator is moving up with an acceleration

a {m/s}^{2}

. A person inside the lift throws the ball upwards with a velocity

u m/s

relative to himself. Then the time of flight of ball (

in sec

Q. An elevator is moving up with an acceleration

a {m/s}^{2}

. A person inside the lift throws the ball upwards with a velocity

u m/s

relative to himself. Then the time of flight of ball (

in sec

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Centre of Gravity for Irregular Surfaces and shift in CG

PHYSICS

Watch in App

explore_more_icon

Explore more

Centre of Gravity for Irregular Surfaces and Shift in Center of Gravity

Standard IX Physics

Join BYJU'S Learning Program

CrossIcon