1) A toy car released with the same initial speed will travel farthest on  a) Muddy Surface b) Cemented Area c) Polished Marble Surface d) Brick Surface  2) Which of the following force is a contact force? a) Force of Gravity b) Force Of Friction c) Magnetic Force d) Electrostatic Force 3) The pressure exerted by a man on earth will be less when he is a) Sitting b) Standing on one foot c) Lying Down d) Standing on Two Foot 4) An example of a contact force a) Magnetic force b) Electrostatic force c) Muscular Force d) Gravitational force 5) The pressure inside an aeroplane is kept a) Equal to atmospheric pressure at higher altitudes b) Less than atmospheric pressure c) Equal to ground level atmospheric pressure d) Zero 6) The weight of an object is due to the a) Gravitational pull of the earth b) Liquid pressure c) Atmospheric pressure d) None of These 7) What is the value of atmospheric pressure at sea level? a) 176 cm of Hg b) 70 cm of Hg c) 76 cm of Hg d) 760 mm of Hg 8) The S.I. unit of force and pressure are a) Newton and pascal respectively b) Pascal and newton respectively c) Newton and area respectively d) Area and pascal respectively. 9) Two objects repel each other. This repulsion could be due to a) Frictional force b) Electrostatic Force c) Magnetic Force d) All of the Above 10) Army tank tracks are useful for travelling through the mud because. a) They decrease the force the vehicle exerts on the ground b) They increase the force the vehicle exerts on the ground c) They decrease the pressure the vehicle exerts on the ground d) They increase the pressure the vehicle exerts on the ground 11) To ensure that skies do not sink into the snow too far, they a) Should be flat and have a large area b) Should have studs c) Should be thin and sharp d) Should be slim and pointed 12) A barometer is an instrument that measures a) Volume b) Atmospheric Temperature c) Force d) Atmospheric Pressure 13) Students roll toy cars down the same ramp with different coverings like carpet, foil, and sandpaper. What are they trying to test? a) How does the height of a ramp affect the distance a car will roll? b) How does the mass of the car affect the distance a car will roll? c) How does the surface of a ramp affect how fast a car will travel? d) How does the surface of a ramp affect the distance a car will roll? 14) A person wearing steel toe capped boots and a person wearing stilleto heels stand on wooden floor. They both have the same weight. Which person exerts more pressure on the floor? a) Person wearing the boots because the boots have a larger surface area in contact with the floor b) Person with the stiletto heels because they have larger surface area in contact with the floor c) Person wearing the boots because the boots have smaller surface area in contact with floor d) Person with the stiletto heels because they have smaller surface area in contact with floor 15) If a force of 100 N acts on an area of 10 sq.m, the pressure equals a) 100 Pa b) 1000 N/sq.m c) 10 N/sq.m d) 10 N 16) In desert areas, a camel can walk very easily as compared to horse because it has a) Lesser weight b) Broader feet c) Heavier body d) Smaller feet 17) Where would you find the largest pressure ? a) At the bottom of the sea b) At the top of Mt Everest c) At the ground d) At the house 18) How can we increase the gas pressure inside a sealed container? a) Increase the number of particles inside the container b) Increase the Temperature c) Decrease the volume of the container d) All of these 19) Pressure in a liquid _____ with its depth a) Increases b) Decreases c) Remains Constant d) None of these 20) The device used to measure the fluid pressure is a) Hygrometer b) Calorimeter c) Manometer d) Thermometer 21) How does pressure vary as we come from mountain top to sea level a) Increases b) Decreases c) Remains constant d) Depends on the weather 22) More the height of the ___ column above the surface more the pressure will be on that surface a) Gas b) Fluid c) Oil d) Liquid 23) When forces are applied on an object in the same direction the net force will be, when force are applied on an object in the opposite direction then the net force will be a) Sum, difference b) Sum, Difference ( Will move in the greater force direction) c) Difference and Sum d) All of the above 24) The strength of the force is measured by its a) Net force b) Pressure c) Gravitational force d) Magnitude 25) Unit of mass and weight respectively a) Kg and Newton respectively b) Newton and kg respectively c) Kg and Pascal respectively d) Pascal and kg respectively 26) The liquid pressure does not depend on a) Height of liquid column b) The depth c) The area of surface in contact d) Shape of the liquid column 27) The pressure acts in all directions a) True b) False c) Depends on situation d) No proper information given in the question 28) The upward pressure exerted by liquids is known as a) Thrust b) Force c) Pressure d) Liquid pressure 29) The blood flowing in human body also exert pressure on all walls of the blood vessels the device to measure this is a) Manometer b) Barometer c) Hygrometer d) Sphymomanometer 30) As altitude increases the amount of gas molecule in air a) Increases b) Decreases c) Varies d) Remains constant

Science - Force and Pressure

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