1. Calculations Practice Sheet
Answer the following problems, circle your final answer and don’t forget your units!!!

2. In the equation for momentum, what is the symbol for momentum?
Answer: p

3. 2. What is the unit for force?
Answer: newtons (N)

4. 3. What is the equation for Newton’s 2nd law of motion?
Answer: F = ma

5. 4. What is the value for gravity (include the units!!)?
Answer: 9.8 m/s2

6. 5. What is the weight of a 40 kg person who lives on Venus where the gravity is 8.9 m/s2? Must have correct units!!
Answer: 356 N

7. 6. What is the triangle for momentum?

8. Answer: p m v

9. 7. What are the units for momentum?
Answer: kg x m/s

10. 8. Calculate the momentum of the following: A 75 kg speed skater moving forward at 16 m/s. Must have correct units!!
Answer: kg x m/s

11. 9. Calculate the momentum of the following: A seated 48
9. Calculate the momentum of the following: A seated 48.5 kg passenger on a train that is stopped. Must have correct units!!
Answer: 0 kg x m/s

12. 10. Calculate the velocity of a 0
10. Calculate the velocity of a 0.8 kg kitten with a momentum of 5 kg x m/s forward. Must have correct units!!
Answer: m/s

13. BONUS What is the other name for Newton’s 1st law of motion
Answer: inertia