20 solutions available
Question 1A, B and C are the three forces each of magnitude 4N acting in the plane of paper as shown in figure. The point O lies in the same...
Question 4A mechanic applies a force of 100 N at the end of a spanner to tighten a bolt. The length of the spanner is 0.5 metres. How much torque is...
Question 5A wheel of diameter 2 m is shown in figure with axle at O. A force F = 2 N is applied at B in the direction shown in figure.Calculate the...
Question 6The diagram shows two forces F1 = 5N and F2 = 3N acting at points A and B of a rod pivoted at a point O, such that OA = 2m and OB =...
Question 7Two forces each of magnitude 10N act vertically upwards and downwards respectively at the two ends A and B of a uniform rod of length 4m...
Question 8Figure shows two forces each of magnitude 10N acting at the points A and B at a separation of 50 cm, in opposite directions. Calculate the...
Question 9A steering wheel of diameter 0.5m is rotated anti-clockwise by applying two forces each of magnitude 6N. Draw a diagram to show the...
Question 10A uniform metre rule is pivoted at its mid-point. A weight of 50 gf is suspended at one end of it. Where should a weight of 100gf be...
Question 11A uniform metre rule balances horizontally on a knife edge placed at the 58 cm mark when a weight of 20gf is suspended from one end. (i)...
Question 12The diagram shows a uniform bar supported at the middle point O. A weight of 40 gf is placed at a distance 40cm to the left of the point...
Question 13Figure shows a uniform metre rule placed on a fulcrum at its mid-point O and having a weight 40gf at the 10 cm mark and a weight of 20 gf...
Question 14When a boy weighing 20 kgf sits at one end of a 4m long see-saw, it gets depressed at its end. How can it be brought to the horizontal...
Question 15A physical balance has its arms of length 60 cm and 40 cm. What weight kept on a pan of longer arm will balance an object of weight 100 gf...
Question 16The diagram shows a uniform meter rule weighing 100 gf, pivoted at its centre O. Two weights 150gf and 250gf hang from the point A and B...
Question 17A uniform metre rule of weight 10 gf is pivoted at its 0 mark.(i) What moment of force depresses the rule?(ii) How can it be made...
Question 18A uniform half metre rule can be balanced at the 29.0 cm mark when a mass 20g is hung from its one end.(a) Draw a diagram of the...
Question 19A uniform metre rule of mass 100 g is balanced on a fulcrum at mark 40 cm by suspending an unknown mass m at the mark 20 cm.(i) Find the...
Question 20In figure below, a uniform bar of length l m is supported at its ends and loaded by a weight W kgf at its middle. In equilibrium, find the...
Question 3The centre of gravity of a hollow cone of height h is at distance x from its vertex where the value of x...
Question 2Draw a neat labelled diagram for a particle moving in a circular path with a constant speed. In your diagram show the direction of velocity...