Physics SPM 2025 Kuala Lumpur 州试卷 Kertas 1（40 题附答案）- Cerdek

1

Which of the following is a vector quantity?

A Mass B Frictional force C Energy D Atmospheric pressure

2

Diagram 1 shows a graph of volume, $V$, against temperature, $\theta$, of a fixed mass of gas at constant pressure. Which of the following shows the correct relationship between $V$ and $\theta$?

A $V$ increases with $\theta$ B $V$ is directly proportional to $\theta$ C $V$ is inversely proportional to $\theta$ D $V$ increases linearly with $\theta$

3

Diagram 2 shows the route of a girl running from point X on a circular track with a radius of 10 m. What is the displacement of the girl if she runs three laps and stops at point X?

A 0 m B 30 m C 63 m D 126 m

4

Diagram 3 shows a velocity-time graph for a car. Which of the following describes the motion of the car? | | JK | MN | |:---:|:---:|:---:| | A | Uniform acceleration | Decreasing acceleration | | B | Increasing acceleration | Decreasing acceleration | | C | Increasing acceleration | Uniform deceleration | | D | Uniform acceleration | Uniform deceleration |

A JK: uniform acceleration; MN: decreasing acceleration B JK: increasing acceleration; MN: decreasing acceleration C JK: increasing acceleration; MN: uniform deceleration D JK: uniform acceleration; MN: uniform deceleration

5

Diagram 4 shows a pillion rider moving backwards when the motorcycle accelerates. The backward movement of the pillion rider can be explained by

A the concept of inertia B the concept of equilibrium of forces C the principle of conservation of momentum D the principle of conservation of energy

6

Diagram 5 shows a follow-through action in playing golf. What is the importance of the follow-through action?

A Increases the magnitude of the impulsive force B Increases the magnitude of the impulse C Increases the inertia of the golf ball D Decreases the magnitude of the impulsive force

7

In the motion of satellites and planets, the centripetal force on an object is directly proportional to

A the distance of the object from the centre of the Earth B the product of the masses of the two objects C the square of the velocity of the object D the gravitational constant

8

Johannes Kepler, a German astronomer, formulated laws that describe the movement of planets around the Sun. These laws state that I all planets move in elliptical orbits with the Sun at one of the focal points II a line that connects a planet to the Sun sweeps out equal areas in equal square of times when the planet moves in its orbit III the square of the orbital period of a planet is directly proportional to the cube of the radius of its orbit

A I and II only B I and III only C II and III only

9

The gravitational acceleration on the Earth's surface is 9.81 m s⁻². What is the weight of an object with a mass of 20 kg on the surface of the Moon?

A 3.3 N B 20.0 N C 32.7 N D 196.2 N

10

When an ice cube at 0 °C is left in a place at room temperature, it melts into a liquid because

A the molecules in the ice lose potential energy B the molecules in the ice gain kinetic energy to change into liquid C the molecules in the ice lose energy to break the bonds between the molecules D the molecules in the ice gain energy to break the bonds between the molecules

Kuala Lumpur Trial 2025 Physics Kertas 1

Kuala Lumpur Trial 2025 Physics Kertas 1

Kuala Lumpur Trial 2025 Physics Kertas 1

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