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- 1. Multiple Choice
A boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s. Calculate the impulse on the ball.
1 N⋅s
6 N⋅s
33.3 N⋅s
- 2. Multiple ChoiceThe units for Impulse areN/sN.sNm/s
- 3. Multiple Choice
A mother pushes her 120-Newton child in a swing. If the mother exerts a 10-Newton force on the child for half a second, what is the magnitude of the impulse imparted to the child by the mother? What formula do you use:
p=mv
mvf-mvi=Ft
Imp=Ft
F=(mvf-mvi)/t
- 4. Multiple ChoiceA(n) _________________ causes and is equal to a change in momentumimpulseforcejoulewatt
- 5. Multiple ChoiceIf an air bag changes a 60 kg person's speed from 40.0 m/s to 0.0 m/s, what impulse must act on the person?2400 kg.m/s1.5 kg.m/s0.67 kg.m/s1500 kg.m/s
- 6. Multiple ChoiceWhat impulse would be needed to stop a 1500 kg car traveling at 20 m/s?7500 Ns.15,000 Ns.30,000 Ns.
- 7. Multiple ChoiceA bullet traveling at 500 m/s is brought to rest by an impulse of 50 N*s. What is the mass of the bullet?10 kg0.1 kg0.01 kg2500 kg
- 8. Multiple ChoiceWhich two quantities can be expressed using the same units?momentum and energyenergy and forceimpulse and forceimpulse and momentum
- 9. Multiple Choice
According to the graph, what is the impulse from 0-3 seconds?
750 N
750 N*s
1125 N
1125 N*s
- 10. Multiple Choice
According to the graph, what is the impulse from 0-4 seconds?
40 N
40 N*s
62.5 N
62.5 N*s
- 11. Multiple Choice
Which of the following is not a method of determining impulse?
Change in momentum
Product of net force and time
Area of a Force versus Time graph
All answers will calculate impulse
- 12. Multiple ChoiceAll of the following are examples of an impulse excepta car maintaining a constant speeda pencil getting stuck to the ceilinga tennis ball hitting a racketa hammer bouncing off a nail
- 13. Multiple ChoiceA club hit a golf ball with 1500 N of force and is contact with it for 0.5 seconds. Find the impulse on the ball.750 N s3000 N s1500 N s300 N s
- 14. Multiple ChoiceThe impulse is ______ the change in momentumGreater thanEqual toless thanalways double
- 15. Multiple ChoiceA boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s.
Calculate the impulse on the ball.1 N*s6 N*s33.3 N*sNone of these - 16. Multiple Choice
A baseball bat applies a force of 500 N to a ball for 0.1 seconds. What was the impulse on the ball?
5 N x s
50 N x s
500 N x s
5,000 N x s
- 17. Multiple ChoiceThe change in the momentum of an object is equal to:the impulse acting on the objectthe change in the object's velocitythe force acting on the objectthe force on the object times the time interval
- Answer choicesTagsAnswer choicesTags