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12. Two stupdents are pulling a cart, as shown in the picture to the right. What is the acceleration of the cart? (4D) a. 83 m/s? b. 50 m/s C. 4 m/s d. 60 m/s? 60 kg 200 N 150 N 13. A net force of 10 N accelerates an object at 5.0 m/s?. What net force would be necessary to accelerate that same object at 2.5 m/s²? (4D) a. 1.0 N b. 2.0 N C 5.0 N d. 50 N 14. A 10 kg box is accelerated from 10m/s to 15m/s in 2.5 seconds, what was the force acting on the box? (4D) a. 20 N b. 25 N C. 30 N

12. Two stupdents are pulling a cart, as shown in the picture to the right. What is the acceleration of the cart? (4D) a. 83 m/s? b. 50 m/s C. 4 m/s d. 60 m/s? 60 kg 200 N 150 N 13. A net force of 10 N accelerates an object at 5.0 m/s?. What net force would be necessary to accelerate that same object at 2.5 m/s²? (4D) a. 1.0 N b. 2.0 N C 5.0 N d. 50 N 14. A 10 kg box is accelerated from 10m/s to 15m/s in 2.5 seconds, what was the force acting on the box? (4D) a. 20 N b. 25 N C. 30 N

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11. A hot air balloon is rising in the air. It hasa mass of 150 kg and is going upwards. If the applied force is 2500N calculate the net acceleration of the hot air balloon. (4D) a 6.8m/s b 75 m/s C 59.2 m/s d. 123:1 m/s
Transcribed Image Text:11. A hot air balloon is rising in the air. It hasa mass of 150 kg and is going upwards. If the applied force is 2500N calculate the net acceleration of the hot air balloon. (4D) a 6.8m/s b 75 m/s C 59.2 m/s d. 123:1 m/s
Unit 3 Test 12. Two students are pulling a cart, as shown in the picture to the right. What is the acceleration of the cart? (4D) a. 83 m/s b. 50 m/s2 C. 4 m/s d. 60 m/s 60 kg 200 N 150 N 13. A net force of 10 N accelerates an object at 5.0 m/s² What net force would be necessary to accelerate that same object at 2.5 m/s²? (4D) a. 1.0 N b. 2.0 N C. 5.0 N d. 50 N 14. A 10 kg box is accelerated from 10m/s to 15m/s in 2.5 seconds, what was the force acting on the box? (4D) a. 20 N b. 25 N C. 30 N d. 80 N
Transcribed Image Text:Unit 3 Test 12. Two students are pulling a cart, as shown in the picture to the right. What is the acceleration of the cart? (4D) a. 83 m/s b. 50 m/s2 C. 4 m/s d. 60 m/s 60 kg 200 N 150 N 13. A net force of 10 N accelerates an object at 5.0 m/s² What net force would be necessary to accelerate that same object at 2.5 m/s²? (4D) a. 1.0 N b. 2.0 N C. 5.0 N d. 50 N 14. A 10 kg box is accelerated from 10m/s to 15m/s in 2.5 seconds, what was the force acting on the box? (4D) a. 20 N b. 25 N C. 30 N d. 80 N
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