Momentum and Impulse Worksheet
A Grade 9 Science worksheet focusing on the concepts of momentum and impulse, including calculations and real-world applications.
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Topics
Momentum and Impulse
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Read each question carefully and answer to the best of your ability. Show all your work for calculation problems.
1. Which of the following best defines momentum?
The rate of change of an object's position.
The product of an object's mass and velocity.
The force acting on an object over a period of time.
The resistance of an object to changes in its state of motion.
2. Impulse is equal to the change in an object's:
Kinetic energy
Potential energy
Momentum
Acceleration
3. The unit for momentum is .
4. Impulse is calculated by multiplying force by .
5. According to the law of conservation of momentum, the total momentum of an isolated system remains .
6. A 2 kg ball is moving at a velocity of 5 m/s. Calculate its momentum.
7. A force of 10 N is applied to an object for 3 seconds. Calculate the impulse experienced by the object.
8. Momentum is a scalar quantity.
True
False
9. A larger impulse causes a smaller change in momentum.
True
False
10. Explain how crumple zones in cars and airbags work to reduce injuries during a collision, relating your answer to the concepts of impulse and momentum.