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Recent questions tagged simple machines
+1
vote
1
answer
What is wheel and axle ? Give two examples.
asked
Apr 4, 2019
in
Class 10
by
kratos
class-6
class-10
simple machines
icse
+2
votes
1
answer
A pulley system has three pulleys. A load of 120 N is overcome by applying an effort of 50 N.
asked
Apr 4, 2019
in
Class 10
by
kratos
machines
simple machines
class-10
icse
+2
votes
1
answer
Which class of lever has the mechanical advantage always more than 1 ? Give an example.
asked
Apr 3, 2019
in
Class 10
by
kratos
class-6
class-10
simple machines
icse
+3
votes
1
answer
Mechanical advantage of a machine is defined as: 1. Load X Effort 2. Load / Effort
asked
Apr 2, 2019
by
kratos
class-6
simple machines
icse
+2
votes
1
answer
What is the efficiency of an ideal machine?
asked
Mar 28, 2019
in
Class 10
by
kratos
class-6
class-10
simple machines
icse
+2
votes
1
answer
Draw diagrams to illustrate the positions of fulcrum, load and effort, in each of the following: (a) a see saw
asked
Mar 19, 2019
in
Class 10
by
kratos
class-6
class-10
simple machines
icse
+3
votes
1
answer
State the principle of levers.
asked
Mar 18, 2019
in
Class 10
by
kratos
class-6
class-10
simple machines
icse
+1
vote
1
answer
State two functions of a machine.
asked
Mar 17, 2019
in
Class 10
by
kratos
class-6
class-10
simple machines
icse
+1
vote
1
answer
Name the class to which the following levers belong: (a) A Pair of scissors (b) A lemon squeezer,
asked
Mar 15, 2019
in
Class 10
by
kratos
class-6
class-10
simple machines
icse
+2
votes
1
answer
A machine displaces a load of 125kgf through a distance 0. 30m, when an effort of 12.5kgf acts through a distance of 4.0m.
asked
Mar 15, 2019
in
Class 10
by
kratos
machines
simple machines
class-10
icse
+3
votes
1
answer
Draw a diagram showing a block and tackle system of 4 pulleys.
asked
Mar 10, 2019
in
Class 10
by
kratos
class-10
simple machines
icse
+1
vote
1
answer
Comment on the statement ‘The mechanical advantage of a machine is greater than 1’.
asked
Mar 10, 2019
in
Class 10
by
kratos
class-10
simple machines
icse
+3
votes
1
answer
Scissors and shears are levers of the first order. However, the cutting edge of scissors used for cutting cloth is much longer
asked
Mar 5, 2019
in
Class 10
by
kratos
work energy and power
simple machines
class-10
icse
machines
+2
votes
1
answer
A simple machine enables us to lift a load of 10,000 N by the application of an effort of 500 N.
asked
Mar 2, 2019
by
kratos
class-6
simple machines
icse
+1
vote
1
answer
Can a machine have an efficiency of 100% ? Give a reason to support your answer.
asked
Mar 1, 2019
in
Class 10
by
kratos
class-6
class-10
simple machines
icse
+3
votes
1
answer
Which type of levers have mechanical advantage always more than 1? Give reasons.
asked
Feb 27, 2019
in
Class 10
by
kratos
class-6
class-10
simple machines
icse
+3
votes
1
answer
Draw a labelled sketch of a class II lever. Give one example of such a lever.
asked
Feb 26, 2019
in
Class 10
by
kratos
class-6
class-10
simple machines
icse
+2
votes
1
answer
How does a pulley make work simpler ? Differentiate between a single fixed pulley and a single movable pulley.
asked
Feb 25, 2019
in
Class 10
by
kratos
class-6
class-10
simple machines
icse
+3
votes
1
answer
What is a wedge ? Give two examples.
asked
Feb 24, 2019
in
Class 10
by
kratos
class-6
class-10
simple machines
icse
+3
votes
1
answer
In the experiment of balancing moments, suppose the fulcrum is at the 60 cm mark, and a known mass of 2 kg is used on the longer arm.
asked
Feb 18, 2019
in
JEE
by
kratos
simple machines
jee
torque
class-10
icse
force
jee mains
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