1 Zara is driving a car at 72 km/h. She wants to convert this speed to m/s. What is the speed in m/s? A 20 m/s B 15 m/s C 10 m/s D 25 m/s
3 Diana is learning about oscillations and waves. She understands that oscillations are periodic motions. Which of the following is an example of an oscillation? A A moving car B A pendulum C A rolling ball D A flying bird
4 Mohamed is studying impulse and change in momentum. He understands that a larger impulse means a larger change in momentum. Which of the following increases impulse? A Increasing force and time B Decreasing force C Decreasing time D Increasing mass only
6 Rania is studying Newton's first law. She understands that objects tend to maintain their state of motion. What is this property called? A Force B Inertia C Acceleration D Velocity
7 Waseem is analyzing a velocity-time graph. The graph is a straight line with a positive slope. What does the slope of a velocity-time graph represent? A Distance B Displacement C Acceleration D Speed
8 Tina is driving a car and accelerates from 10 m/s to 20 m/s in 2 seconds. What is the acceleration of the car? A 5 m/s² B 10 m/s² C 15 m/s² D 20 m/s²
10 Bongani is learning about rounding off numbers. He understands that numbers are rounded to a certain number of significant figures. What is 3.14159 rounded to 3 significant figures? A 3.14 B 3.142 C - D -
11 Waleed is studying errors in measurement. He learns that systematic errors are consistent and repeatable. Which of the following is an example of a systematic error? A Human reaction time B Zero error in a measuring instrument C Fluctuations in temperature D Incorrect parallax reading
12 The speed of light in vacuum is approximately: A 3 × 10^6 m/s B 3 × 10^7 m/s C 3 × 10^8 m/s D 3 × 10^9 m/s
13 Mass measured by electronic balance depends on: A Gravity B Spring constant C Comparison with standard mass D Temperature
14 Bilal is studying contact forces. He understands that contact forces occur when two objects are in physical contact. Which of the following is an example of a contact force? A Gravitational force B Magnetic force C Friction D Electrostatic force
15 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
16 At the highest point of a vertically thrown object, its velocity is: A Maximum B Minimum C Zero D Equal to g
17 Patricia is analyzing a velocity-time graph. The graph is a straight line with a positive slope. What is the acceleration of the object? A Zero B Constant and positive C Constant and negative D Variable
22 Mohamed is learning about impulse and change in momentum. He understands that impulse is force multiplied by time. A force of 10 N acts on an object for 3 seconds. What is the impulse? A 15 Ns B 30 Ns C 20 Ns D 10 Ns
23 Ibrahim is learning about mass and weight. He understands that mass is the amount of matter in an object, while weight is the force of gravity on that object. On Earth, what is the weight of a 50 kg object? (Take g = 10 m/s²) A 50 N B 500 N C 5 N D 5000 N
24 Mohamed is studying prefixes. He learns that prefixes are used to denote multiples and submultiples of SI units. What does the prefix 'kilo' represent? A 10^3 B 10^6 C 10^-3 D 10^-6
25 Emma is studying oscillations and waves. She learns that oscillations are repetitive motions and waves are disturbances that travel through a medium. Which of the following is an example of a wave? A A pendulum swinging B A spring vibrating C Sound waves D A rotating wheel