ndangom-lab02

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Name: Micah Ndango Date: October 26, 2023 Lab 02 – Force and Motion Q1. Describe the motion of the box when a continuous force of 50 N is applied. Answer: The velocity of the box is increasing, which is evident because the speedometer is also increasing. The acceleration of the box is constantly increasing because the velocity is constantly changing. The displacement of the box is constantly increasing. Q2. Describe the motion of the box when a continuous force of 50 N is applied for 5 seconds and then released. Answer: The velocity of the box is constant because the speedometer is also constant. The box is not accelerating because there is no change in velocity. The displacement of the box is constantly increasing. Q3. Describe what happens to the motion of the moving box when a force of 50N is applied to the left. Answer: The velocity of the box is increasing to the left, which is evident because the speedometer is also increasing. The acceleration of the box is increasing because the velocity is also increasing. The displacement of the box is increasing to the left. Q4. Newton’s first law of motion states that an object at rest stays at rest with the same speed and in the same direction unless acted upon by an unbalanced force. Explain how your answers to questions 1 to 3 support this law. Answer: If force isn’t applied to the box, then the box isn’t moving and “is staying at rest.” When constant force is applied to the box, then the velocity, displacement, and acceleration constantly increase. When force is applied for a short amount of time and then stopped, the box continues to move at the same velocity. Q5. Record the times needed to reach maximum speed when one crate is on the skateboard. Applied Force (N) Time to Reach Max Speed (s) 50 40 s 100 20 s 200 10s Q5. Record the times needed to reach maximum speed when two crates are stacked on the skateboard. Applied Force (N) Time to Reach Max Speed (s)
50 80s 100 40 s 200 20 s Q6. Record the times needed to reach maximum speed when the refrigerator is on the skateboard. Applied Force (N) Time to Reach Max Speed (s) 50 159 s 100 80s 200 40s Q7. Record the times needed to reach maximum speed when the wrapped package is on the skateboard. Applied Force (N) Time to Reach Max Speed (s) 50 40s 100 20s 200 10s Q8. What was your predicted time to reach maximum speed when a force of 400 N was applied with the wrapped package on the skateboard? Answer: My predicted time to reach maximum speed when a force of 400 N was applied to the package was 5 seconds. Q9: What was your actual time to reach maximum speed when a force of 400 N was applied with the wrapped package on the skateboard? Answer: My actual time to reach maximum speed was 4 seconds. Q10. In the steps above, you applied the same forces to several different objects on the skateboard. Which object was the most massive? Which object was the least massive? State the reasons for your answer to this question. Answer: The object that was the most massive was the refrigerator because it took the most time to reach maximum speed. The object that was the least massive was the gift- wrapped because it took the least amount of time to reach the maximum speed. Q11. Newton’s second law states that the acceleration of an object produced by a net force is directly proportional to the magnitude of the net force in the same direction as the net force and inversely proportional to the mass of the object. Explain how your observations in steps 1 to 9 support this law.
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