A simple equal-arm lever, Science

Assignment Help:

A simple equal-arm lever

Make a wooden base 15 cm square and 2 cm thick. In the centre of the base fasten one more block of wood 4 cm square and 3 cm thick. Fasten to two sides of these blocks two uprights 15 cm long, 3.5 cm wide and 1 cm thick. These may be fastened to the small block by means of screws. In the top end of each up- right cut a narrow fit with a thin blade saw. The slot should be a little less than 2 cm deep or just deep sufficient to hold a used razor blade with 2 or 3 mm extending above the top of the upright.

 


Related Discussions:- A simple equal-arm lever

Eutrophication, Eutrophication: Materials such as sewage or organic w...

Eutrophication: Materials such as sewage or organic wastes from milk plants, canneries, slaughter houses, paper mills, starch factories and fish processing plants, and runoff

Explain the procedure of rock formation metamorphic rocks, Explain the proc...

Explain the procedure of Rock Formation Metamorphic Rocks? Concept 1 :   What is a metamorphic rock? First off, what does metamorphism mean? To morph is to change; a butterfly

Describe the history of rock cycle, Describe the history of rock cycle? ...

Describe the history of rock cycle? We will follow the full rock history, or "life-cycle", of a piece of granite in the Sierra Nevada mountains of California. The life cycle of

Explain the circumvallate papillae, Explain the Circumvallate papillae: ...

Explain the Circumvallate papillae: These are the largest of the papillae, about 8 to 12 in number. These are arranged in a V-shape.

Use the procedure for fire fighting, Use the following procedure for fire f...

Use the following procedure for fire fighting. (1) Always take a position between the fire and the exit so your escape route cannot be cut off. Fire extinguishers should always

Copernican revolution , The Copernican Revolution: It was right in the ...

The Copernican Revolution: It was right in the midst of these developments in the fifteenth century, that there came the first major break from the whole system of ancient thou

What are the stages of development of a tropical cyclone, Question : a)...

Question : a) Define i) relative humidity. b) Why is it generally cloudy in the vicinity of a low pressure area and sunny in the vicinity of high pressure? c) What are th

Human evolution, Human Evolution: Charles Darwin in  the 'Origin of S...

Human Evolution: Charles Darwin in  the 'Origin of Species' gave a lilechanism for the evolution of  plants and animals in general, even  though he had speculated about the o

What are the properties of riboflavin, Properties Some of  the importan...

Properties Some of  the important physico-chemical  characteristics of riboflavin are as follows: a)  Riboflavin forms needle shaped orange crystals. b)  It is sparingl

Agronomy, What is the soil productivity.

What is the soil productivity.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd