1) A person is applying 5 N force on a box. When the area of contact between the person and the box increases, the pressure exerted on the box............... a) increases b) decreses c) remains the same d) no dependence 2) The pressure which is exerted by air around us is known as a) atmospheric pressure b) surrounding pressure c) air friction d) air force 3) Muscular force is also called ___________ force. a) (a)electrostatic force b) (b) gravitational force c) (c) magnetic force d) (d) contact force 4) Force changes the a) (a) motion of body b) (b) speed of body c) (c) shape of body d) (d) all of these 5) Two boys A and B are applying force on a block. If the block moves towards the boy A, which one of the following statements is correct? a) (a) Magnitude of force applied by A is greater than that of B. b) (b) Magnitude of force applied by A is smaller than that of B. c) (c) Net force on the block is towards B. d) (d) Magnitude of force applied by A is equal to that of B. 6) State of motion is described by a) (a) Position of rest b) (b) Position of motion c) (c) Both by the state of rest or motion d) (d) None of these 7) During dry weather, while combing hair, sometimes we experience hair flying apart. The force responsible for this is a) (a) force of gravity b) (b) force of friction c) (c) electrostatic force d) (d) magnetic force 8) A container is filled with water as shown in the given figure. the lower most opening is 'A', middle one is 'B' and the top most opening is 'C' Which of the following statements is correct about pressure of water? a) (a) Pressure at A > Pressure at B > Pressure at C b) (b) Pressure at A = Pressure at B = Pressure at C c) (c) Pressure at A < Pressure at B > Pressure at C d) (d) Pressure at A < Pressure at B < Pressure at C 9) Which of the following is proper example(s) to explain that force on an object may change its shape a) (a) A ball of dough rolled into chapati b) (b) Pressing a rubber ball kept on table c) (c) Making model using clay d) (d) All of the above 10) A batsman hits the ball for a boundary past the bowler i.e. four runs. The batsman thus a) (a) Changes the direction & speed of the ball b) (b) Does not change the direction but speed only c) (c) Does not change the speed but direction only d) (d) Does not change either direction or spee

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