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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
State 'Inverse square law of magnetism'. A. Coulomb's inverse law of magnetism states that, "The force of attraction or repulsion between two magnetic poles is directly pro
Q Define: self inductance. The coefficient of self induction of a coil is numerically equivalent to the opposing emf induced in the coil when the rate of change of current thr
how to solve vector quantity, with solutions and drawing
When a person stands on a scale in an elevator at rest, the scale reads 800 newtons. When the elevator is allowed to fall freely with acceleration of gravity, the scale reads o
Draw a free-body diagram for the space shuttle just after it leaves the ground. Recognize the forces acting on the shuttle. Make sure that you do not neglect air resistance.
A simple pendulum Tie a cord at least 2 m long to some object like a stone or a small metal ball. Suspend this in a doorway or from a hook in the ceiling and begin it swinging
Big Fish in Motion Catches Little Fish Inelastic Collision: The animation below portrays the inelastic collision among a extremely massive fish and a less massive fish. Befor
Imagine a small observer is positioned in front of the cork in your picture above. As the cork approaches, the observer measures the wavelength of the waves passing by. How does th
unlike Parallel forces
Bernoulli's equation In an irrotational fluid, total of the static pressure, the weight of the fluid per unit mass times the height, & half the density times the velocity squa
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