2 George is studying Newton's first law. He understands that an object in motion stays in motion unless acted upon by an unbalanced force. What does this law imply about the motion of a book on a table? A The book will move on its own B The book will remain at rest unless a force acts on it C The book will accelerate continuously D The book will fly away
3 Ethan is studying conservation of momentum. He learns that in a collision, momentum is conserved. In an elastic collision, which of the following is also conserved? A Momentum only B Kinetic energy C Both momentum and kinetic energy D Neither
5 Which force is responsible for weight? A Magnetic force B Electric force C Gravitational force D Nuclear force
7 Fatima is studying Newton's first law of motion. She learns that an object at rest stays at rest and an object in motion stays in motion unless acted upon by an unbalanced force. This law is also known as: A Law of acceleration B Law of inertia C Law of action-reaction D Law of gravitation
8 Hina is learning about Newton's second law. She understands that F = ma. What is the acceleration of a 2 kg object when a force of 6 N is applied? A 2 m/s² B 3 m/s² C 4 m/s² D 12 m/s²
9 Khalid is studying the gravitational field. He learns that gravitational field strength is the force per unit mass. What is the unit of gravitational field strength? A N/kg B m/s² C Both A and B D Neither A nor B
11 Vera is studying the conservation of momentum. She learns that in a collision, the total momentum before is equal to the total momentum after. In a collision between two objects, which of the following is conserved? A Kinetic energy only B Momentum only C Both momentum and kinetic energy D Neither momentum nor kinetic energy
12 Samir is studying Newton's second law. He understands that acceleration is inversely proportional to mass. If the same force is applied to two objects of masses 2 kg and 4 kg, which object will have greater acceleration? A The 2 kg object B The 4 kg object C Both have the same acceleration D Neither accelerates
13 The tendency of a body to oppose change in motion is called: A Momentum B Force C Inertia D Velocity
14 Which instrument is used to measure weight? A Electronic balance B Beam balance C Spring balance D Stopwatch
16 Laura is learning about momentum. She understands that momentum is conserved in a closed system. In a collision, what happens to the total momentum of the system? A It increases B It decreases C It remains constant D It becomes zero
18 Nadia is studying Newton's laws and conservation of momentum. She learns that in a closed system, the total momentum before a collision is equal to the total momentum after the collision. This is known as: A Law of inertia B Law of conservation of momentum C Law of acceleration D Law of action-reaction
19 Khalid is learning about momentum. He understands that momentum is the product of mass and velocity. If a 5 kg object moves with a velocity of 4 m/s, what is its momentum? A 10 kg m/s B 20 kg m/s C 15 kg m/s D 25 kg m/s
20 Chloe is learning about non-contact forces. She understands that non-contact forces act without physical contact. Which of the following is an example of a non-contact force? A Frictional force B Tension force C Gravitational force D Normal force
22 Which instrument is used to measure mass? A Spring balance B Force meter C Electronic balance D Thermometer
23 Bongani is studying momentum. He learns that momentum is a vector quantity. Which of the following is the direction of momentum? A Same as force B Same as acceleration C Same as velocity D Same as mass
24 Mass of a body is defined as: A Force acting on the body B Quantity of matter in the body C Weight of the body D Volume of the body
25 Force that acts only when bodies are in contact is called: A Gravitational force B Magnetic force C Contact force D Electric force
27 If net force on a body is not zero, body will: A Remain at rest B Move with constant velocity C Accelerate D Stop moving
28 Aisha is learning about mass and weight. She understands that weight is a force. What is the unit of weight? A Kilogram B Newton C Pascal D Joule
29 Omar is studying Newton's laws. He learns that Newton's first law describes what happens when no force acts on an object. What is the state of motion of an object with zero net force? A It must be at rest B It must be moving with constant velocity C It could be at rest or moving with constant velocity D It must be accelerating
30 Julia is learning about mass and weight. She understands that mass is scalar and weight is vector. On the moon, how does the mass of an object change compared to Earth? A It increases B It decreases C It remains the same D It becomes zero