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- 1. Multiple ChoiceCalculate work: A 100 Newton force is applied to move a 15 kg object a distance of 5 meters?20 Joules75 Joules500 Joules1500 J
- 2. Multiple ChoiceA force exerted over a distance to move an object is ______________________.powerworkmomentumWatt
- 3. Multiple ChoiceA 5000N block is lifted 10 m. How much work was done?50000 J5000 J500 J50 J
- 4. Multiple ChoiceHow much work is produced when 350 N is used to move a car 5 m?70 J1750 J355 J175 J
- 5. Multiple ChoiceWould it be easier to move a box of the same mass up a ramp that was long and gradual or short and steep?long and gradualshort and steep
- 6. Multiple ChoiceThe unit used to measure work is theWattNewtonJoulemeter
- 7. Multiple ChoiceWhich of the following is the best example of work being done.doing homeworklifting a boxpushing a stationary boxholding a box
- 8. Multiple ChoiceA 5000N block is lifted 10 m. How much work was done?50000 J5000 J500 J50 J
- 9. Multiple ChoiceHow much work is produced when 350 N is used to move a car 5 m?70 J1750 J355 J175 J
- 10. Multiple ChoiceIn which of these cases is work being done?A student sleepsA student pushes a locked door that does not movea student carries his chair into another roomA student sits on the carpet
- 11. Multiple ChoiceWhich of the following is the best example of work being done.doing homeworklifting a boxpushing a stationary boxholding a box
- 12. Multiple ChoiceForce is a _____ or _______simple complexpush pullup downin out
- 13. Multiple ChoiceWhat is the unit for mass?Kilogram (Kg)Newton (N)Joule (J)Watt (W)
- 14. Multiple ChoiceW=125 J
d=10 m
F=???12.5 N1250 N0.08 N135 N - 15. Multiple ChoiceF=200 N
d=50 m
w=??4 J0.25 J250 J10,000 J - 16. Multiple ChoiceIf 150 Joules of work is needed to move a box 10 meters, what force was used?1500 N15 N1.5 N150 N
- 17. Multiple ChoiceIf 360 Joules of work are needed to move a crate a distance of 4 meters, what is the weight of the crate?1440 N90 N0.011 N14.4 N
- 18. Multiple ChoiceIf a group of workers can apply a force of 1,000 Newtons to move a crate 20 meters, what amount of work will they have accomplished?20,000 J200 J2,000 J20 J
- 19. Multiple ChoiceIf 68 Joules were necessary to move a 4 Newton crate, how far was the crate moved?272 m17 m4.05 m272 cm
- 20. Multiple ChoiceThe unit used to measure work is theWattNewtonJoulemeter
- 21. Multiple ChoiceWork done = Force x _________a. distanceb. accelerationc. velocityd. speed
- 22. Multiple Choice
For this tug of war, forces are balanced.
The boy in blue is applying more force.
The boy in red is applying more force.
Both boys are applying equal force.
- 23. Multiple ChoiceThe gravitational force of any object near Earth's surface is ____.unknownfrictionNewton's first law9.8 m/s2
- 24. Multiple ChoiceAt the start of a ski jump, a skier begins at rest at the top of a hill. What types of energies are present?KineticGravitationalKinetic & GravitationalGravitational & Internal
- 25. Multiple ChoiceAs the skier goes down the hill, ________ energy increases while _______ energy decreases.Gravitational; KineticKinetic; GravitationalElastic; KineticKinetic; Elastic
- 26. Multiple ChoiceAt the bottom of the hill, the skier jumps off of a ramp. The ramp causes the skier to _____.gain potential energylose potential energygain kinetic energylose elastic energy
- 27. Multiple ChoiceDuring a pull-up, a 90kg man raises himself by 80cm. Calculate the work done in a single pull-up.720 Joules72,000 Joules1,125 Joules112,500 Joules
- 28. Multiple ChoiceBro A bench presses 145-lbs five times in 20 seconds.
Bro B bench presses 145-lbs five times in 10 seconds.Bro A did more work.Bro B did more work.Both Bros did the same amount of work.Bro - 29. Multiple ChoiceBro A bench presses 145-lbs five times in 20 seconds.
Bro B bench presses 145-lbs five times in 10 seconds.Bro A has more powerBro B has more powerBoth Bros have the same powerBro - 30. Multiple ChoiceThe amount of work done depends on:the size of the force on the object, the distance the object movesthe size of the object, the distance the object movesthe size of the force on the object, the speed of movementthe size of the force on the object, the friction acting upon the object
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