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Wheel and Axle
At one end of the axle, a wheel of a greater diameter is fixed. The axle and the wheel both rotate about the same axis. Ropes have been wound around both the wheel and the axle..
Wheel and Axle
Steering wheels, spanner, screw drivers and bicycle pedals all use the principle of wheel and axle. Solved Examples: Example 1 : Figure below shows the use of a lever to lift a boulder of weight 3000 N by applying a suitable effort at C. If AB = 1 m..
Steering wheels, spanner, screw drivers and bicycle pedals all use the principle of wheel and axle. Solved Examples: Example 1 : Figure below shows the use of a lever to lift a boulder of weight 3000 N by applying a suitable effort at C. If AB = 1 m..Informal Letter
Introduction - The informal letter is the most common method of written communication between friends or relative..
Additional Information
1) An insecticide from neem Azadrachta indica has been developed in the USA as a dust and spray. 2) A safe herbal pesticide has been developed from garlic and chillies in pune -maharashtra. 3) Scientists at CDRI in lucknow have developed biocide from the micro-organism Bacillus sphacricus which ha..
Steering Wheel and Pedals of a Bicycle
Two examples of the turning effect of two equal and opposite forces not acting in the same straight line are the steering wheel and the pedals of a bicycle. In the figure (a) below, the left hand is pulling with force F on the steering wheel while the right hand is pus..
Two examples of the turning effect of two equal and opposite forces not acting in the same straight line are the steering wheel and the pedals of a bicycle. In the figure (a) below, the left hand is pulling with force F on the steering wheel while the right hand is pus..Each tricycle needs 3 wheels. How many wheels are needed for 18 tricyc..
Each tricycle needs 3 wheels. How many wheels are needed for 18 tricycles? => 54 or 6 or 44 or 46..
Flow of Energy and Information
Flow of Energy and Information - Living cells constantly exchange energy and materials with their surrounding environment. The functioning of living cells depends upon the flow of energy and flow of information..
Flow of Energy and Information
Living cells constantly exchange energy and materials with their surrounding environment. The functioning of living cells depends upon the flow of energy and flow of information..
Information from a Chemical Equation
Information from a Chemical Equation - A chemical equation gives information regarding the following: a) Molecular proportion of the reactants and the products. b) The relative mass of the reactants and the products. c) The relative volumes of gaseous substances - which may be r..
Information from a Chemical Equation - A chemical equation gives information regarding the following: a) Molecular proportion of the reactants and the products. b) The relative mass of the reactants and the products. c) The relative volumes of gaseous substances - which may be r..Information from a Chemical Equation A chemical equation gives information regarding the following: a) Molecular proportion of the reactants and the products. b) The relative mass of the reactants and the products. c) The relative volumes of gaseous substances - which may be reactants or products. The above can be illust..
A chemical equation gives information regarding the following: a) Molecular proportion of the reactants and the products. b) The relative mass of the reactants and the products. c) The relative volumes of gaseous substances - which may be reactants or products. The above can be illust..See what our Users say :
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