Is the above pulley system an ideal mach...

Is the above pulley system an ideal machine or not ?

Text Solution

Verified by Experts

No, the pulley system is not ideal because `M.A.ltV.R.`

Topper's Solved these Questions

SAMPLE PAPER 2018
ICSE|Exercise SECTION-II|42 Videos
SAMPLE PAPER 2017
ICSE|Exercise SECTION-II|28 Videos
SAMPLE PAPER 2019
ICSE|Exercise SECTION - II|33 Videos

Similar Questions

Explore conceptually related problems

What is the principle of an ideal machine ?

A block and tackle system of pulleys has a velocity ratio 4. What is the value of the mechanical advantage of the given pulley system if it is an ideal pulley system?

A pulley system has a velocity ratio 3. draw a diagram showing the point of applicationi and direction of load (L), effort (E) and tension (T). It lifts a load of 150 N by an effot of 60 N. calculate its mechanical advantage. Is the pulley system ideal ? Give reason.

A pulley system with a velocity ratio 4 is used to lift a load of 300 kgf to a vertical height of 10 m by applying an effort of 100 kgf downwards. ind the efficiency of the pulley system and the work done by the effort.

A pulley system has a velocity ratio 5. Draw a neat labelled diagram of the pulley system to lift a load by applying the effort in a convenient direction. Mark the tension in your diagram. If the efficiency of the system is 80% find its mechanical advantage.

If the string & all the pulleys are ideal, acceleration of mass m is :-

Find out velocity of block B in the given figure : (all the pulleys are ideal and string are inextensible massless)

Figure shows a system of four pulleys. The upper two pulleys are fixed and the lower two are movable. (a) Draw a string around the pulleys. Also show the point of application and direction in which the effort E is applied. (b) What is the velocity ratio of the system ? (c) How are load and effort of the pulley system related ? (d) What assumption do you make in arriving at your answer in part (c) ?

In the above question, find out the magnitude of net force exerted by the pulley on the rod R_1 :

Name the type of a single pulley that has an ideal mechanical advantage equal to 2. draw a labelled diagram of the pulley mentioned by you.

ICSE-SAMPLE PAPER 2018-SECTION-II

Draw a diagram to show a block and tackle pulley system having a veloc...
Text Solution
|
A pulley system has a velocity ratio 3. draw a diagram showing the poi...
Text Solution
|
Is the above pulley system an ideal machine or not ?
Text Solution
|
A ray of light XY passes through a right angled isosceles prism as sho...
Text Solution
|
A ray of light XY passes through a right angled isosceles prism as sho...
Text Solution
|
A ray of light XY passes through a right angled isosceles prism as sho...
Text Solution
|
An object AB is placed between O and F(1) on the principal axis of a c...
Text Solution
|
An object is placed at a distance of 12 cm from a convex lens of focal...
Text Solution
|
An object is placed at a distance of 12 cm from a convex lens of focal...
Text Solution
|
Draw a diagram of a right angled isoscels prism which is used to make ...
Text Solution
|
The diagram below shows a wire stretched over a sonometer. Stems of tw...
Text Solution
|
The diagram above shows a wire stretched over a sonometer. Stems of tw...
Text Solution
|
The diagram above shows a wire stretched over a sonometer. Stems of tw...
Text Solution
|
A person is standing at the sea shore. An observer on the ship which i...
Text Solution
|
A person is standing at the sea shore. An observer on the ship which i...
Text Solution
|
A fuse is rated 8 A. Can it be used with an electrical appliance rated...
Text Solution
|
Name two safety devices which are connected to the live wire of a hous...
Text Solution
|
Find the equivalent resistance between A and B.
Text Solution
|
State whether the resistivity of a wire changes with the change in the...
Text Solution
|
An electric iron is rated 220 V, 2 kW. If the iron is used for 2 h d...
Text Solution
|