SPM Physics 2024 Perak Trial Kertas 1 – 40 Questions with Answers

Which of the following is a vector quantity?

A Pressure B Force C Momentum D Energy

Ahmad runs from rest and reaches his maximum velocity after accelerating uniformly for 10 seconds. If Ahmad's running displacement is 60 m, calculate his acceleration.

A 1.20 m s⁻² B 1.25 m s⁻² C 2.10 m s⁻² D 2.50 m s⁻²

Amran throws a ball vertically upwards with an initial velocity of 15 m s⁻¹. Calculate the time for the ball to reach its maximum height.

A 1.23 s B 1.25 s C 1.53 s D 1.55 s

Which of the following vehicles is the most difficult to stop when moving?

Diagram 1 shows several firefighters holding a fire hose to put out a fire. Why does the fire hose have to be held by several firefighters? I To support the weight of the hose carrying the water. II To overcome the effect of a large backward jerk. III To increase the momentum of the water coming out. IV To add an impulsive force on the water that comes out.

A I only B I and II C III and IV D I, II, III and IV

Diagram 2 shows 4 points 0R, 1R, 2R and 3R from the centre of the Earth. Which point has the maximum value of gravitational acceleration?

A 0R B 1R C 2R D 3R

The gravitational attraction between two bodies increases when their

A masses are reduced and distance is reduced. B masses are increased and distance is reduced. C masses are reduced and distance is increased. D masses are increased and distance is increased.

Diagram 3 shows a research satellite orbiting at an altitude of 400 km to capture images of an island in the middle of the ocean. What is the period of the satellite's orbit? [Radius of the orbit of the Moon, $r_B = 3.83 \times 10^{8}$ m, radius of the Earth, $R = 6.37 \times 10^{6}$ m, orbital period of the Moon = 655.2 hours]

A 1.53 hours B 1.54 hours C 2.35 hours D 2.36 hours

The Earth can maintain its layer of atmosphere because

A the average linear speed of atmospheric gas molecules is less than the Earth's escape velocity B the average linear speed of atmospheric gas molecules is more than the Earth's escape velocity C the Earth's magnetic field D the gravitational effect of the Moon

Diagram 4 shows a metal spoon immersed in a cup of hot tea. Thermal equilibrium is reached when

A the temperature of the metal spoon is higher than the temperature of the tea B the temperature of the tea is higher than the temperature of the metal spoon C the net rate of heat flow between the metal spoon and the tea is not zero D the net rate of heat flow between the metal spoon and the tea is zero

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Perak Trial 2024 Physics Kertas 1

Perak Trial 2024 Physics Kertas 1

Perak Trial 2024 Physics Kertas 1

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