Last updated on Sep 22, 2026

8.2 – Investigating Conservation of Momentum (Leaving Cert Physics): Quizzes

8.2 – Investigating Conservation of Momentum

Practise the questions

12 questions from this quiz

Conservation of momentum

Higher velocity

$(m_1 + m_2)v$

Inelastic collision

To safely catch falling trolleys

So trolley 1 moves at constant speed

$u = \frac{S_1}{n/50}$

Trolleys stick together (inelastic)

They are internal forces that cancel

Friction affecting trolley motion

To improve measurement accuracy

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8.2 – Investigating Conservation of Momentum (Leaving Cert Physics): Quizzes

Practise the questions

What principle states that total momentum is constant in a collision with no external forces?

What does wider spacing between dots on ticker tape indicate?

What is the formula for momentum after collision when trolleys stick together?

What type of collision occurs when the trolleys stick together after impact?

Why should a box with cushion be placed at the end of the runway?

Why is one end of the runway raised during setup?

What formula calculates velocity uuu from ticker tape with nnn spaces of length S1S_1S1​?

Why is kinetic energy not conserved in this collision?

Why don't magnetic forces change the total momentum of the trolley system?

Which is a systematic error source in this experiment?

What is the frequency of the ticker timer used in this experiment?

Why should you select a large distance when measuring velocities from ticker tape?

Explore Leaving Cert Physics Revision Notes by Topics

3.1 – Calculations of Refraction of Light

3.1 – Calculations of Refraction of Light

3.2 – Measuring the Critical Angle and Refractive Index

3.2 – Measuring the Critical Angle and Refractive Index

4.1 – Verifying the Lens Equation

4.1 – Verifying the Lens Equation

5.1 – Investigating Constant Velocity Using a Trolley or Rider

5.1 – Investigating Constant Velocity Using a Trolley or Rider

6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.2 – Determining Acceleration Due to Gravity

6.2 – Determining Acceleration Due to Gravity

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

7.1 – Verifying the Law of Vector Addition

7.1 – Verifying the Law of Vector Addition

6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.2 – Determining Acceleration Due to Gravity

6.2 – Determining Acceleration Due to Gravity

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

7.1 – Verifying the Law of Vector Addition

7.1 – Verifying the Law of Vector Addition

8.1 – Investigating Force, Mass and Acceleration Relationships

8.1 – Investigating Force, Mass and Acceleration Relationships

8.2 – Investigating Conservation of Momentum

8.2 – Investigating Conservation of Momentum

9.1 – Determining Acceleration Due to Gravity

9.1 – Determining Acceleration Due to Gravity

10.1 – Investigating Conservation of Energy on a Ramp

10.1 – Investigating Conservation of Energy on a Ramp

12.1 – Investigating Work and Energy in Stretching or Compression

12.1 – Investigating Work and Energy in Stretching or Compression

12.2 – Verifying Hooke’s Law

12.2 – Verifying Hooke’s Law

13.1 – Investigating Alcohol as a Thermometer Liquid

13.1 – Investigating Alcohol as a Thermometer Liquid

14.1 – Determining the Specific Heat Capacity of a Liquid

14.1 – Determining the Specific Heat Capacity of a Liquid

14.2 – Determining the Latent Heat of Fusion and Vaporisation

14.2 – Determining the Latent Heat of Fusion and Vaporisation

16.1 – Verifying the Stretching of a Spring (Tension Model)

16.1 – Verifying the Stretching of a Spring (Tension Model)

17.1 – Measuring the Wavelength of Light

17.1 – Measuring the Wavelength of Light

22.1 – Investigating Current and Voltage Relationships

22.1 – Investigating Current and Voltage Relationships

22.2 – Investigating Resistance in Series and Parallel

22.2 – Investigating Resistance in Series and Parallel

22.3 – Investigating the Effect of Temperature on Resistance

22.3 – Investigating the Effect of Temperature on Resistance

23.1 – Investigating Current and Voltage in a Filament Lamp

23.1 – Investigating Current and Voltage in a Filament Lamp

24.1 – Investigating Current and Voltage in a Semiconductor Diode

24.1 – Investigating Current and Voltage in a Semiconductor Diode

Explore Leaving Cert Physics Model Answers by Topics

3.1 – Calculations of Refraction of Light

3.1 – Calculations of Refraction of Light

3.2 – Measuring the Critical Angle and Refractive Index

3.2 – Measuring the Critical Angle and Refractive Index

4.1 – Verifying the Lens Equation

4.1 – Verifying the Lens Equation

5.1 – Investigating Constant Velocity Using a Trolley or Rider

5.1 – Investigating Constant Velocity Using a Trolley or Rider

What formula calculates velocity $u$ from ticker tape with $n$ spaces of length $S_1$ ?