Physics_2023_SPM_Trial_UD3 Melaka

Which of the following is a scalar quantity?

• Length

• Force

• Momentum

• Weight

Diagram 1 shows a graph y against x. What is the relationship for the graph mentioned?

• y directly proportional to x

• y inversely proportional to x

• y decreases linearly to x

• y increasing linearly to x

Diagram 2 shows a section of the ticker tape taken from the motion of a trolley in an experiment using a ticker timer with frequency 50 Hz. Calculate the acceleration of the trolley.

• 2.50 cm s^-2

• 3.12 cm s^-2

• 25.0 cm s^-2

• 3125 cm s^-2

Diagram 3 shows a displacement-time graph of a moving motorcycle. Which pair of object motion from Q to S is correct?

• Type of motion QR:

  Velocity decreases

  Type of motion RS:

  Uniform velocity in the opposite direction

• Type of motion QR:

  Velocity increases

  Type of motion RS:

  Uniform velocity in the opposite direction

• Type of motion QR:

  Velocity decreases

  Type of motion RS:

  Uniform velocity in the same direction

• Type of motion QR:

  Velocity increases

  Type of motion RS:

  Uniform velocity in the same direction

Diagram 4 shows a velocity-time graph for a motion of a toy car. What is the displacement of the car in 6 s?

• 0 m

• 35 m

• 45 m

• 75 m

According to the Newton's Universal Law of Gravitation, the gravitational force between two objects is directly proportional to

• the gravitational constant

• the product of the masses of both objects

• the distance between both objects

• the square of the distance between the objects

Diagram 5 shows a water rocket as it was launched. This situation can be explained by

• concept of inertia

• principle of conservation of energy

• equilibrium of forces

• principle of conservation of momentum

A man-made satellite orbits around the Earth at the height of 1720 km. What is the linear speed of the satellite?

[Mass of the Earth = 5.97 × 10²⁴ kg, Radius of the Earth = 6.37 × 10⁶ m, G = 6.67 × 10^-11 N m² kg^-2]

• 7.02 × 10³ m s^-1

• 7.22 × 10³ m s^-1

• 8.02 × 10³ m s^-1

• 9.92 × 10³ m s^-1

Diagram 6 shows an illustration of Kepler's Second Law. The planet took the same period to move from A to B as compared to moving from C to D through the orbit. Which of the following is true?

• Area of ABF is equal to Area of CDF

• Area of ABF is less than Area of CDF

• Average speed of planet from A to B is equal to average speed of planet from C to D

• Average speed of planet from A to B is less than average speed of planet from C to D

Diagram 7 shows two objects that are in thermal equilibrium. Which statement is correct for these two objects?

• The same mass

• The same amount of heat energy

• The same heat capacity

• The same temperature