QUIZIZZ: IMPULSE CHALLENGE

1. What is impulse?

• A.) The rate of a change of velocity

• B.) The change in an object's momentum

• C.) The force acting on an object

• D.) The acceleration of an object

2. Which of the following is the correct formula for impulse?

• A.) Impulse=Mass x Velocity

• B.) Impulse = Force/Time

• C.) Impulse = Force x Time

• D.) Impulse = Mass x Acceleration

3. How does increasing the time of impact affect the force experienced by an object during a collision?

• A.) Increase the force

• B.) Decrease the force

• C.) Has no effect on the force

• D.) The force is multiplied by the time

4. Impulse is equal to the change in ______?

• A.) Velocity

• B.) Acceleration

• C.) Momentum

• D.) Distance

5. In which of the following scenarios is the concept of impulse most relevant?

• A.) A car moving at a constant speed

• B.) A ball rolling on a flat surface without friction

• C.) A car crashing into a wall

• D.) A book resting on a table

6. Why do airbags in cars reduce injuries during a collision?

• A.) They increase the force of impact

• B.) They decrease the time of impact

• C.) They increase the time of impact

• D.) They decrease the momentum of the car

7. A force of 10 N acts on an object for 2 seconds. What is the impulse?

• A.) 5 Ns

• B.) 12 Ns

• C.) 20 Ns

• D.) 8 Ns

8. An object's momentum changes by 30 kg m/s. What is the impulse experienced by the object?

• A.) 15 Ns

• B.) 30 Ns

• C.) 60 Ns

• D.) 10 Ns

9.Which of the following is a real-world example of increasing impact time to reduce force?

• A.) Wearing seatbelts in a car.

• B.) Using a hammer to drive a nail.

• C.) Throwing a baseball.

• D.) Riding a bicycle.

10. In an egg drop experiment with foam, what is the primary purpose of the foam?

• A.) To increase the egg's mass.

• B.) To decrease the egg's velocity.

• C.) To increase the impact time, reducing the force.

• D.) To increase the force of impact.