Physics
Simple machines can be commonly found in your surroundings. Some objects are given. Which simple machines will you use to get the following tasks done?
Related Questions
In class III lever, the distance from the fulcrum to the load is 100 cm and the distance from the effort to the load is 10 cm. Calculate the МА.
Observe the given images and answer the following questions.
(a) Name the simple machines being used in each image.
(b) Mark the position of effort, load and fulcrum in each images.
Tina and her younger brother are playing in the garden. They see the gardener using a few tools. Tina recognises the wheelbarrow that the gardener is using. She also sees the gardener using a big garden scissor. Meanwhile, she sees that her younger brother is running to pick the axe that is lying around. Tina stops him and tells him it's dangerous.
Now, answer the following questions.
(a) Which simple machine is used in a scissor?
(b) Which simple machine is used in a wheelbarrow?
(c) Which simple machine is used in an axe?
(d) Why did Tina call the axe dangerous? Are there any other machines that shouldn't be used without adult's supervision?
Mechanical advantage is the ratio of load lifted by a machine to the effort applied. Every simple machine has a mechanical advantage. The effort and load of some machines are given. Calculate the MA of each machine.
Machine Effort (N) Load (N) Mechanical Advantage A 20 60 B 140 70 C 10 100 D 5 25 E 15 45 F 120 60 Draw a line graph of the given data. Take effort on X-axis and load on Y-axis.