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A non uniform beam of weight 120 N pivoted at one end is shown in the diagram below. Calculate the value of F to keep the beam in equilibrium.
Complete the following by choosing the correct answers from the bracket:
State two factors on which the position of Center of Gravity of a body depends.
Case 1: Lata cuts a potato into two halves, using a cutter which belongs to a Class II lever. She needed effort E1. Case 2: Then she cuts one half of this potato again, but this time she needed effort E2. If E1 > E2 then:
A uniform metre ruler is balanced horizontally on a knife edge placed at 60 cm mark when a mass m is suspended from 75 cm mark. Draw the diagram of the arrangement. State with reason (through mathematical steps) whether the mass of the scale is greater than, less than or equal to the mass m?
Three levers X, Y, Z of equal lengths are shown in the diagram.
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