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Khushboo
Subject: Physics
, asked on 11/5/18
!!!"DO NOT SEND ANY LINKS"Answer the 6th question:
6. A uniform metre scale is kept in equilibrium when supported at the 60 cm mark and a mass M is suspended from the 90 cm mark as shown in the figure. State with reasons whether the weight of the scale is greater then less than or equal to the weight of mass M.
Answer
1
Khushboo
Subject: Physics
, asked on 11/5/18
!!!"DO NOT SEND ANY LINKS"Answer the 5th question
Q.5. A pulley system has a velocity ratio of 4 and efficiency of
90 %. Calculate:
(i) the mechanical advantage of the system,
(ii) the effort required to raise a load of 300 N by the system.
(Ans. 3.6, 83.33 N)
Answer
1
Khushboo
Subject: Physics
, asked on 11/5/18
!!!"DO NOT SEND ANY LINKS"Answer the 4th question
Q4. The below figure shows the combination of a movable pulley P1 with a fixed pulley P2 used for lifting up a load W.
(i) State the function of the fixed pulley P
2
.
(ii) If the free end of the string moves through a distance x, find the distance by which the load W is raised.
(iii) Calculate the force to be applied at C to just raise the load W = 20 kgf, neglecting the weight of the pulley P
1
and friction.
(Ans. changes direction, d
2
, F = 10 kgf) (ICSE 2005)
Answer
1
Almighty123404
Subject: Physics
, asked on 25/11/21
If effort is applied in the upward direction, will there be a change in velocity ratio of block and tackle system of four pulleys as compared to downward direction?
Answer
1
Almighty123404
Subject: Physics
, asked on 25/11/21
Please answer my question
Answer
1
Yoosha
Subject: Physics
, asked on 19/11/21
Can anyone explain point's 2 and 3
Answer
1
Yoosha
Subject: Physics
, asked on 19/11/21
Can anyone answer the 1)a question
Answer
1
Yoosha
Subject: Physics
, asked on 19/11/21
Do we have derivations in physics icse class 10 boards first term?. And if we have can anyone please list them
Answer
1
Rijuta Chakraborty
Subject: Physics
, asked on 16/10/21
A pulley system consisting of four pulleys has efficiency as 90 percent . Calculate the mechanical advantage of the system
Answer
1
Divyansh Singh
Subject: Physics
, asked on 26/8/21
How to find the number of segments of the string in a block and tackle system of pulleys? Please explain
Answer
1
Vedang Belgaumkar
Subject: Physics
, asked on 13/5/21
Pls answer this :) ??
Answer
3
Vedang Belgaumkar
Subject: Physics
, asked on 13/5/21
Answer karo pls
Answer
1
Vedang Belgaumkar
Subject: Physics
, asked on 13/5/21
Answer this ??
Answer
1
Vedang Belgaumkar
Subject: Physics
, asked on 13/5/21
Experts pls answer ??
Answer
1
Vedang Belgaumkar
Subject: Physics
, asked on 13/5/21
Pls answer the following question
Answer
1
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6. A uniform metre scale is kept in equilibrium when supported at the 60 cm mark and a mass M is suspended from the 90 cm mark as shown in the figure. State with reasons whether the weight of the scale is greater then less than or equal to the weight of mass M.
Q.5. A pulley system has a velocity ratio of 4 and efficiency of
90 %. Calculate:
(i) the mechanical advantage of the system,
(ii) the effort required to raise a load of 300 N by the system.
(Ans. 3.6, 83.33 N)
Q4. The below figure shows the combination of a movable pulley P1 with a fixed pulley P2 used for lifting up a load W.
(i) State the function of the fixed pulley P2.
(ii) If the free end of the string moves through a distance x, find the distance by which the load W is raised.
(iii) Calculate the force to be applied at C to just raise the load W = 20 kgf, neglecting the weight of the pulley P1 and friction.
(Ans. changes direction, d2, F = 10 kgf) (ICSE 2005)