1 Tina is studying the measurement of atmospheric pressure. She learns that an aneroid barometer does not use liquid. What does 'aneroid' mean? A Without air B Without liquid C Without metal D Without pressure
2 A manometer is used to measure: A Atmospheric pressure only B Liquid pressure only C Gas pressure D Temperature
3 In a load-extension graph, the straight line shows: A Breaking point B Elastic behavior C Plastic behavior D Failure point
4 Energy is defined as: A Force applied on an object B Ability to do work C Speed of an object D Mass of an object
5 Carlos is learning about elasticity. He understands that Young's modulus is a measure of the stiffness of a material. What is the unit of Young's modulus? A Newton B Pascal C Joule D Watt
8 Aisha is learning about the hydraulic lift. She understands that the hydraulic lift is used to lift heavy vehicles. What is the advantage of a hydraulic lift? A It reduces the force needed B It increases the force needed C It changes the direction of force D It stores energy
9 Laura is studying the manometer. She learns that a manometer can be used to measure the pressure of a gas in a container. What is the pressure if the manometer reading is equal on both sides? A Zero pressure B Atmospheric pressure C Gauge pressure D Absolute pressure
10 What is the spring constant? A Force per unit mass B Extension per unit force C Force per unit extension D Area per unit force
11 Uma is studying efficiency. She knows that efficiency is expressed as a percentage. If a machine has an efficiency of 80%, what does this mean? A 80% of input energy is converted to useful output B 80% of input energy is wasted C The machine is 80% powerful D The machine does 80 J of work
12 Waseem is studying the work-energy theorem. He knows that the work done on an object is equal to the change in its kinetic energy. If a force does 500 J of work on an object, what is the change in kinetic energy? A 500 J B 250 J C 1000 J D 0 J
13 Which formula represents work done? A Work = Force / Distance B Work = Force × Distance C Work = Mass × Acceleration D Work = Power × Time
16 Ibrahim is learning about liquid pressure. He understands that liquid pressure increases with depth. In a swimming pool, where is the pressure greatest? A At the surface B At the middle C At the bottom D Same everywhere
17 Chloe is learning about the application of Hooke's Law. She knows that it is used in spring balances. What does a spring balance measure? A Mass B Weight C Volume D Density
18 Ming is studying solar radiation. He knows that solar energy is a renewable energy resource. What device is used to convert solar energy into electricity? A Solar panels B Wind turbines C Hydroelectric dams D Nuclear reactors
20 Bilal is holding a heavy book stationary at a height of 1 meter above the ground. He is exerting an upward force, but the book does not move. How much work is Bilal doing on the book? A Work equal to the weight of the book B Zero work C Work equal to the height D Work equal to the mass times the height
21 Bilal is studying Hooke's Law. He understands that within the elastic limit, the extension of a spring is directly proportional to the applied force. If a force of 10 N extends a spring by 2 cm, what force will extend it by 6 cm? A 20 N B 30 N C 40 N D 60 N
22 Samir is learning about applications of Hooke's Law. He understands that Hooke's Law is used in weighing scales and spring balances. What is the range of a spring balance determined by? A The length of the spring B The spring constant and the elastic limit C The weight of the spring D The color of the spring
23 If force is applied but no displacement occurs, the work done is: A Maximum B Minimum C Zero D Negative
24 According to conservation of energy, total energy remains: A Increasing B Decreasing C Constant D Zero
25 What is deformation? A Change in mass B Change in volume only C Change in shape or size D Change in temperature
26 Usman is learning about atmospheric pressure and weather. He understands that falling barometer readings indicate an approaching storm. What type of weather is associated with a falling barometer? A Clear weather B Stormy weather C Calm weather D Hot weather
27 Rania is studying pressure. She understands that pressure can be exerted by solids, liquids, and gases. What is the SI unit of pressure? A Newton B Pascal C Joule D Watt
28 Ibrahim is studying wind energy. He knows that wind turbines convert kinetic energy into electrical energy. What is the source of wind energy? A Sun's heat B Earth's rotation C Gravitational pull of the Moon D Geothermal heat
29 Xia is studying the law of conservation of energy. She knows that energy can be converted from one form to another. In a hydroelectric dam, what energy conversion takes place? A Potential energy to electrical energy B Kinetic energy to chemical energy C Thermal energy to potential energy D Nuclear energy to mechanical energy
30 Khalid is learning about the application of the manometer. He understands that a manometer can measure gas pressure. If a manometer shows that the gas pressure is greater than atmospheric pressure, the liquid level in the manometer will: A Be higher on the open side B Be higher on the gas side C Be equal on both sides D Fluctuate randomly