1 George is trying to slide a heavy box across the floor. He finds it difficult to start moving the box, but once it moves, it requires less force. What concept explains this observation? A Static friction is greater than kinetic friction B Kinetic friction is greater than static friction C Friction is independent of motion D There is no friction once the box moves
2 Bilal is using a wrench to loosen a bolt. He applies a force at the end of the wrench handle. What is the turning effect of the force called? A Moment of force B Frictional force C Centripetal force D Normal force
3 Vera is studying applications of atmospheric pressure. She learns that atmospheric pressure is used to lift objects with suction cups. How does a suction cup work? A By creating a vacuum that holds it in place B By using magnetic force C By using adhesive D By using static electricity
4 Julia is studying the stability of objects. She knows that a cone standing on its base has stable equilibrium. What type of equilibrium does a cone standing on its tip have? A Stable equilibrium B Unstable equilibrium C Neutral equilibrium D Dynamic equilibrium
5 What is meant by the resultant force? A Force that stops motion B Single force having same effect as multiple forces C Force due to gravity only D Force applied by an object
6 David is studying orbital motion. He knows that satellites orbit Earth due to gravity. What is the direction of the gravitational force on a satellite? A Towards the center of Earth B Away from the center of Earth C Tangential to the orbit D In the direction of motion
7 A manometer is used to measure: A Atmospheric pressure only B Liquid pressure only C Gas pressure D Temperature
9 Waseem is studying the stability of objects. He knows that a cone lying on its side is in neutral equilibrium. What happens if it is displaced? A It returns to its original position B It moves further away C It remains in the new position D It falls
10 Mohamed is learning about the hydraulic lift. He understands that a hydraulic lift uses Pascal's principle to multiply force. If a small piston with area 0.1 m² is pushed with a force of 100 N, what is the force on a large piston with area 2 m²? A 200 N B 1000 N C 2000 N D 10000 N
12 Beyond elastic limit, a material: A Returns to original shape B Shows permanent deformation C Becomes rigid D Stops stretching
13 Fatima is analyzing the stability of a ball resting on a flat floor. If she pushes it slightly, it rolls and comes to a stop at a new position. What type of equilibrium does the ball have? A Stable equilibrium B Unstable equilibrium C Neutral equilibrium D Static equilibrium
14 Lara is studying the advantages of friction. She knows that friction is useful in many situations. Which of the following is an advantage of friction? A It causes wear and tear B It allows us to grip objects C It produces heat D It reduces energy efficiency
15 Why do camels have wide feet? A To run fast B To increase pressure C To decrease pressure D To reduce weight
16 Rania is studying Hooke's Law. She learns that Hooke's Law is expressed as F = kx. In this equation, what does 'x' represent? A Force applied B Spring constant C Extension or compression D Mass
17 Khalid is studying the average orbital speed of satellites. He knows that satellites in lower orbits have higher speeds. Which planet has a higher orbital speed: Mercury or Neptune? A Mercury B Neptune C Both have the same speed D Cannot be determined
18 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
19 Waleed is learning about applications of atmospheric pressure. He understands that atmospheric pressure is used in pneumatic systems. Which of the following is a pneumatic system? A Hydraulic lift B Brake system in cars C Tire inflation D Electric motor
22 Lara is analyzing the forces acting on a book placed on a table. The book is at rest. What is the net force acting on the book? A Zero B Equal to the weight of the book C Equal to the normal force D Equal to the frictional force
23 Xia is learning about liquid pressure. She understands that liquid pressure increases with density and depth. In which liquid would the pressure be greater at the same depth? A Water B Oil C Mercury D Alcohol
24 David is studying pressure. He learns that pressure is defined as force per unit area. If a force of 100 N is applied over an area of 2 m², what is the pressure? A 50 Pa B 100 Pa C 200 Pa D 25 Pa
25 Pressure at the bottom of a lake is: A Zero B Less than surface C More than surface D Equal to surface