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A single movable pulley
Suspend two pulleys on a cord from a horizontal support, and load them as shown. If there is no adjustable support on the expression desk, a window stick laid across the back of two chairs will serve. Join a spring balance to the end of the cord and compare the weight of the object with the force needed to lift it with the pulley system.
movable pulley
what are characteristics of simple harmonic motion
law of successive diintegration
Ask question contest light circuit diagram #Minimum 100 words accepted#
A plane diffraction grating of width 2.5cm has 1500 rulings. Monochromatic light of wave length 5893A 0 is incident normally on it. Determine the angle at which second order princ
A painter uses a 25.8-cm long screwdriver to pry the lid off of a can of paint. If a force of 85 N is applied to move the screwdriver 60.0° from the perpendicular, calculate t
Polystyrene film is extruded flat and free from pin-holes. Film is made from polystyrene granules by extruding heated tube of polymer which is then spread out and stretched state.
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A cylindrical metallic wire is stretched to enhance its length by 5%. Measure the percentage change in its resistance.
Explain Force Diagrams and Addition of Forces If you have a piano and your friend offers to help move it, would it be more helpful for him to push with 100 Newtons on the
Kerr effect (J. Kerr; 1875): The ability of certain substances to refract light waves differently whose vibrations are in distinct directions while the substance is placed wit
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