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

Byju's Answer

Standard X

Physics

Relation Between MA and VR

A woman draws...

Question

A woman draws water from a well using a fixed pulley. The mass of bucket and water together is $6 k g$ . The force applied by the woman is $70 N$ . What is the mechanical advantage ? (Take $g = 10 m s^{- 2}$ )

0.857

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

0.657

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

0.75

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

0.815

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

Open in App

Solution

The correct option is A $0.857$
Mechanical Advantage(M.A) of a pulley $= \frac{L o a d}{E f f o r t}$
Load $=$ mass of bucket $+$ water $= 6 k g - w t = 6 \times 10 N = 60 N$
Effort $= 70 N$
$M . A = \frac{60}{70} = 0.857$

Suggest Corrections

Similar questions

Q. Geetu draws water from a well using a fixed pulley. The mass of the bucket and water together is

6 kg

. If the force applied by her is

70 N

, calculate the mechanical advantage. (Take

g = 10 {m s}^{- 2}

)

Q. A woman draws water from a well using a fixed pulley. The mass of bucket and water together is 6 Kg. The force applied by the woman is 70 N. calculate the mechanical advantage.

[T a k e g = 10 m s^{2}]

A woman uses a single fixed pulley to lift a bucket of water from a well. The bucket and water together weigh 250N but the woman has to apply an effort of 300N to lift the bucket. Calculate the mechanical advantage of the set-up.

Q. A person draws

10

kg of water from a well at a depth of

5

m using a single fixed pulley by applying an effort of

120

N. Find the efficiency of the machine.

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

Q. The mass of a bucket full of water is

15 k g

. It is being pulled up from a

15 m

deep well. Due to a hole in the bucket

6 k g

water flows out of the bucket. The work done in drawing the bucket out of the well will be (

g = 10 m / s^{2}

Join BYJU'S Learning Program

A woman draws water from a well using a fixed pulley. The mass of bucket and water together is 6kg. The force applied by the woman is 70N. What is the mechanical advantage ? (Take g=10ms−2)

The correct option is A 0.857Mechanical Advantage(M.A) of a pulley =LoadEffortLoad = mass of bucket + water =6 kg−wt=6×10 N=60 NEffort =70NM.A=6070=0.857

A woman draws water from a well using a fixed pulley. The mass of bucket and water together is $6 k g$ . The force applied by the woman is $70 N$ . What is the mechanical advantage ? (Take $g = 10 m s^{- 2}$ )

The correct option is A $0.857$
Mechanical Advantage(M.A) of a pulley $= \frac{L o a d}{E f f o r t}$
Load $=$ mass of bucket $+$ water $= 6 k g - w t = 6 \times 10 N = 60 N$
Effort $= 70 N$
$M . A = \frac{60}{70} = 0.857$