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ith it application of concepts How can you differentiate between a contact force and a force at a distance AS Find the net forces from the following diagrams uscul 5 alios 88 SN A man stand still on a levet floor What forces act on him Draw a free body diagram FBD to show all forces acting on him AS 4 The surface area of an object is 20 m and a force of 10 N is applied on it then what is the pressure AS How do you appreciate the role of friction in facilitating our various activities AS 6 Identify and draw all forces acting on the body shown in the diagram AS Higher Order Thinking Questions ON 1 If you push a heavy box which is at rest you must exert some force to start its motion However once the box is sliding you apply a lesser force to maintain that motion Why AS 2 How do you increase the pressure by keeping AS b force unchanged Multiple Choice Questions I Hoisting a flag is related to a push b pull a area unchanged 3 Imagine that friction disappeared from the earth What will happen Explain AS c Push and pull both d pressure 2 A person is pulling water from well Which type of force it is a Muscular force b Magnetic force c Friction force d Electrostatic force The force that a solid surface exerts on any object in the normal direction is called bi ICI

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