1) Identify the example of contact force from the following a) Pieces of paper getting attracted to a comb b) Apple falling on the ground c) Ploughing a field 2) Which of the following is not an example of muscular force? a) A person lifting a sack of rice b) Turbine using energy to generate electricity c) A person pushing a swing 3) A car stops at a point after covering a distance when breaks are applied. This is an example of which type of force? a) Frictional force b) Mechanical force c) Muscular force 4) What is meant by muscular force? a) Force exerted by bones b) Force exerted by muscles c) Friction exerted by muscles 5) Which force opposes the motion of one body over the other? a) Rotational force b) Centripetal force c) Frictional force d) Muscular force

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