Grade 9 Momentum Worksheet
A worksheet for Grade 9 Science students to practice and understand the concept of momentum, its calculation, and the law of conservation of momentum.
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Grade 9 Momentum Worksheet
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Read each question carefully and answer to the best of your ability. Show all your work for calculation problems. Remember that momentum is a vector quantity.
1. Which of the following best defines momentum?
The rate of change of velocity.
The product of an object's mass and velocity.
The force acting on an object.
The energy an object possesses due to its motion.
2. What are the standard units for momentum?
Newtons (N)
Joules (J)
Kilogram meters per second (kg·m/s)
Watts (W)
3. The principle of conservation of momentum states that in a closed system, the total momentum before a collision is equal to the total momentum a collision.
4. Momentum is a quantity, meaning it has both magnitude and direction.
5. A 2 kg bowling ball is thrown down a lane at a velocity of 10 m/s. Calculate the momentum of the bowling ball.
6. A car with a mass of 1200 kg is traveling at a speed of 25 m/s. What is its momentum?
7. If two objects collide and stick together, their total momentum after the collision will be less than their total momentum before the collision.
True
False
8. A lighter object can have more momentum than a heavier object if it is moving at a sufficiently high velocity.
True
False
9. Explain the difference between an elastic and an inelastic collision in terms of momentum and kinetic energy.
10. Describe a real-world example of the conservation of momentum.
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