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QR Challenge: Momentum Questions

Created using the ClassTools QR Treasure Hunt Generator

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Teacher Notes

A. Prior to the lesson:

1. Arrange students into groups. Each group needs at least ONE person who has a mobile device.

2. If their phone camera doesn't automatically detect and decode QR codes, ask students to

3. Print out the QR codes.

4. Cut them out and place them around your class / school.

B. The lesson:

1. Give each group a clipboard and a piece of paper so they can write down the decoded questions and their answers to them.

2. Explain to the students that the codes are hidden around the school. Each team will get ONE point for each question they correctly decode and copy down onto their sheet, and a further TWO points if they can then provide the correct answer and write this down underneath the question.

3. Away they go! The winner is the first team to return with the most correct answers in the time available. This could be within a lesson, or during a lunchbreak, or even over several days!

C. TIPS / OTHER IDEAS

4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.

Questions / Answers (teacher reference)

Question

Answer

1. 1.On object with a resultant force of 10 N acting on it is pushed for 2 seconds. What is its momentum?1
2. 2.An object falls for 20 seconds and experiences a change of momentum of 160 kg m/s. Calculate the resultant force.1
3. 3.An object with a velocity of 20 m/s has a momentum of 1800 kg m/s. What is its mass?1
4. 4.An object with mass 100g is attached to another 2kg object. They travel at a velocity of 10m/s. What is the momentum of the 2 objects?1
5. 5.The forward force acting on an object is 21 N, the backwards force is 12 N.Calculate the change in momentum if the object is moving for 20 seconds.1
6. 6.An object is moving at a velocity of 5m/s has a mass 180g. What is its momentum?1
7. 7.The change in momentum of a ball is 10 kg m/s. It falls for 12 seconds. What force does it exert on the ground?1
8. 8.A book takes 2s to fall, with a resultant force acting on it of 80 N. What is its change in momentum?1
9. 9.An object with a velocity of 5 m/s has a momentum of 200 kg m/s. What is its mass?1
10. 10.The forward force acting on an object is 9 N, the backwards force is 25 N.Calculate the change in momentum if the object is moving for 8 seconds.1
11. 11.An object with mass 60g travels at a velocity of 20m/s. What is the momentum of the object?1
12. 12. On object with a resultant force of 15 N acting on it is pushed for 30 seconds. What is its momentum?1
13. 13.The forward force acting on an object is 16 N, the upwards force is 12 N and the backwards force is 4N.Calculate the change in momentum if the object is moving for 36 seconds.1
14. 14. A phone takes 8s to fall, with a resultant force acting on it of 10 N. What is its change in momentum?1
15. 15.An object falls for 12 seconds and experiences a change of momentum of 24 kg m/s. Calculate the resultant force.1

 


Momentum Questions: QR Challenge

https://www.classtools.net/QR/decode.php?text=1.On_object_with_a_resultant_force_of_10_N_acting_on_it_is_pushed_for_2_seconds.__What_is_its_momentum?

Question 1 (of 15)

 


Momentum Questions: QR Challenge

https://www.classtools.net/QR/decode.php?text=2.An_object_falls_for_20_seconds_and_experiences_a_change_of_momentum_of_160_kg_m/s.__Calculate_the_resultant_force.

Question 2 (of 15)

 


Momentum Questions: QR Challenge

https://www.classtools.net/QR/decode.php?text=3.An_object_with_a_velocity_of_20_m/s_has_a_momentum_of_1800_kg_m/s.__What_is_its_mass?

Question 3 (of 15)

 


Momentum Questions: QR Challenge

https://www.classtools.net/QR/decode.php?text=4.An_object_with_mass_100g_is_attached_to_another_2kg_object._They_travel_at_a_velocity_of_10m/s._What_is_the_momentum_of_the_2_objects?

Question 4 (of 15)

 


Momentum Questions: QR Challenge

https://www.classtools.net/QR/decode.php?text=5.The_forward_force_acting_on_an_object_is_21_N,_the_backwards_force_is_12_N.Calculate_the_change_in_momentum_if_the_object_is_moving_for_20_seconds.

Question 5 (of 15)

 


Momentum Questions: QR Challenge

https://www.classtools.net/QR/decode.php?text=6.An_object_is_moving_at_a_velocity_of_5m/s_has_a_mass_180g._What_is_its_momentum?

Question 6 (of 15)

 


Momentum Questions: QR Challenge

https://www.classtools.net/QR/decode.php?text=7.The_change_in_momentum_of_a_ball_is_10_kg_m/s.__It_falls_for_12_seconds.__What_force_does_it_exert_on_the_ground?

Question 7 (of 15)

 


Momentum Questions: QR Challenge

https://www.classtools.net/QR/decode.php?text=8.A_book_takes_2s_to_fall,_with_a_resultant_force_acting_on_it_of_80_N.__What_is_its_change_in_momentum?

Question 8 (of 15)

 


Momentum Questions: QR Challenge

https://www.classtools.net/QR/decode.php?text=9.An_object_with_a_velocity_of_5_m/s_has_a_momentum_of_200_kg_m/s.__What_is_its_mass?

Question 9 (of 15)

 


Momentum Questions: QR Challenge

https://www.classtools.net/QR/decode.php?text=10.The_forward_force_acting_on_an_object_is_9_N,_the_backwards_force_is_25_N.Calculate_the_change_in_momentum_if_the_object_is_moving_for_8_seconds.

Question 10 (of 15)

 


Momentum Questions: QR Challenge

https://www.classtools.net/QR/decode.php?text=11.An_object_with_mass_60g_travels_at_a_velocity_of_20m/s._What_is_the_momentum_of_the_object?

Question 11 (of 15)

 


Momentum Questions: QR Challenge

https://www.classtools.net/QR/decode.php?text=12._On_object_with_a_resultant_force_of_15_N_acting_on_it_is_pushed_for_30_seconds.__What_is_its_momentum?

Question 12 (of 15)

 


Momentum Questions: QR Challenge

https://www.classtools.net/QR/decode.php?text=13.The_forward_force_acting_on_an_object_is_16_N,_the_upwards_force_is_12_N_and_the_backwards_force_is_4N.Calculate_the_change_in_momentum_if_the_object_is_moving_for_36_seconds.

Question 13 (of 15)

 


Momentum Questions: QR Challenge

https://www.classtools.net/QR/decode.php?text=14._A_phone_takes_8s_to_fall,_with_a_resultant_force_acting_on_it_of_10_N.__What_is_its_change_in_momentum?

Question 14 (of 15)

 


Momentum Questions: QR Challenge

https://www.classtools.net/QR/decode.php?text=15.An_object_falls_for_12_seconds_and_experiences_a_change_of_momentum_of_24_kg_m/s.__Calculate_the_resultant_force.

Question 15 (of 15)