A man weighs $80 k g$ . He stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of $5$ $m / s^{2}$ . What would be the reading on the scale.

1200

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

500

No worries! We‘ve got your back. Try BYJU‘S free classes today!

0

No worries! We‘ve got your back. Try BYJU‘S free classes today!

144

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $1200$
Mass of man $m = 80 k g$
Acceleration of the lift moving upwards $a = 5 m / s^{2}$
Acceleration due to gravity $g = 10 m / s^{2}$
Normal reaction acting on the man $N = m (a + g)$
$∴$ $N = 80 (5 + 10) = 1200$ Newton

Suggest Corrections

Similar questions

Q. A man weighs

80 k g

. He stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of

5 m / s^{2}

. What would be the reading on the scale? (

g = 10 m / s^{2}

)

A man weighs 80 kg. He stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of $5 m / s^{2}$ . What would be the reading on the scale. $(g = 10 m / s^{2})$

Q. A man weighs 80 kg He stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of

5 m / s^{2} .

What would be the reading on the scale ?

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

A man weighs 70 kg. He stands on a weighing scale in a lift which is moving upwards with an acceleration of 5ms².What would be the reading on the scale? (g=10 ms²).

Q. A person of mass

40 k g

stands on a weighing scale on a lift. If the lift is ascending upwards with an uniform acceleration of

5 m / s^{2}

. What should be the reading of the weighing scale ? (g =

10 m / s^{2}

)

Join BYJU'S Learning Program

A man weighs 80kg. He stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of 5 m/s2. What would be the reading on the scale.

The correct option is A 1200Mass of man m=80 kgAcceleration of the lift moving upwards a=5 m/s2Acceleration due to gravity g=10 m/s2Normal reaction acting on the man N=m(a+g)∴ N=80(5+10)=1200 Newton

A man weighs $80 k g$ . He stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of $5$ $m / s^{2}$ . What would be the reading on the scale.

The correct option is A $1200$
Mass of man $m = 80 k g$
Acceleration of the lift moving upwards $a = 5 m / s^{2}$
Acceleration due to gravity $g = 10 m / s^{2}$
Normal reaction acting on the man $N = m (a + g)$
$∴$ $N = 80 (5 + 10) = 1200$ Newton