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Question 1 of 48
1. Question
Which of the following is the best example of an inclined plane?
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Question 2 of 48
2. Question
Simple machines are useful in that they
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Question 3 of 48
3. Question
The measure of the quantity of matter in an object is its
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Question 4 of 48
4. Question
15 J of work were expended moving an 18 kg block. At what velocity did the block move?
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Question 5 of 48
5. Question
Jeremy chucks a baseball as far as he can. His arm is operating as a
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Question 6 of 48
6. Question
“For every action there is an equal and opposite reaction” best summarizes which of Newton’s Laws of Motion?
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Question 7 of 48
7. Question
Work occurs when
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Question 8 of 48
8. Question
A farmer is attempting to pull a log with a line of rope attached to a tractor. Where should she watch for breakage on the rope?
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Question 9 of 48
9. Question
If a large gear drives a smaller gear, which of the following will not occur?
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Question 10 of 48
10. Question
In terms of force, what makes hydraulic jacks so useful?
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Question 11 of 48
11. Question
Weight is the
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Question 12 of 48
12. Question
How is a wedge different from an inclined plane?
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Question 13 of 48
13. Question
What is the mechanical advantage of a teeter-totter built so that each seat is 2 meters from the fulcrum?
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Question 14 of 48
14. Question
Power is the
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Question 15 of 48
15. Question
Energy is
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Question 16 of 48
16. Question
What is the advantage of a single pulley?
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Question 17 of 48
17. Question
You’re trying to replace a flat. How much torque are you applying to a wheel nut if you’re applying 40 pounds with a wrench measuring 9″?
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Question 18 of 48
18. Question
A 180 pound person dives off of a 30 foot cliff. What is their velocity as they enter the water?
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Question 19 of 48
19. Question
Which of the following is an example of potential energy?
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Question 20 of 48
20. Question
Which of the following is not a unit of power?
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Question 21 of 48
21. Question
A perfectly efficient machine
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Question 22 of 48
22. Question
Tension can best be called
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Question 23 of 48
23. Question
Which of the following wedges generates the greatest amount of force.
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Question 24 of 48
24. Question
Gears are used to
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Question 25 of 48
25. Question
What measures how much force is applied to an object in order to rotate it?
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Question 26 of 48
26. Question
The wheel of a car has a diameter of 16 inches and moves a smaller wheel of 4 inches. What is the mechanical advantage gained by the system?
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Question 27 of 48
27. Question
A lever
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Question 28 of 48
28. Question
Which of the following situations requires overcoming the least amount of kinetic friction?
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Question 29 of 48
29. Question
What is the point at which the lever pivots?
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Question 30 of 48
30. Question
How many kilograms is a cow on a trailer if 1200 newtons of force are acting on it?
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Question 31 of 48
31. Question
When a machine compounds the force you use, it gives you a(n)
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Question 32 of 48
32. Question
What is the potential energy of a 4 lb. book held 50 feet in the air?
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Question 33 of 48
33. Question
Which of the following is the basis for Pascal’s Law?
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Question 34 of 48
34. Question
The smaller gear has 8 teeth, and the larger gear has 16 teeth. When the larger gear makes 12 revolutions, how many revolutions will the smaller gear make?
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Question 35 of 48
35. Question
How much force is needed to lift the 10 Kg weight?
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Question 36 of 48
36. Question
An 80-lb child is sitting on one end of a seesaw. If another 80-lb child jumps from a high platform onto the other end of the seesaw, what will happen?
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Question 37 of 48
37. Question
What is a vector quantity?
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Question 38 of 48
38. Question
Which of the following describes the relationship between kinetic energy, mass, and velocity?
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Question 39 of 48
39. Question
One horsepower is equivalent to
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Question 40 of 48
40. Question
What type of simple machine is pictured above?
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Question 41 of 48
41. Question
At minimum, how many pulleys are there in a block and tackle system?
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Question 42 of 48
42. Question
When torque increases, speed
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Question 43 of 48
43. Question
If a wedge is made longer relative to its height, how does the force increase?
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Question 44 of 48
44. Question
If a man uses 200 N of force over a distance of 50 meters, how many joules of work are performed?
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Question 45 of 48
45. Question
What is a component of potential energy?
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Question 46 of 48
46. Question
A fish tank at an aquarium contains several cubic feet of water (1 cubic foot of water = 62.5 pounds). If the fish tank is 6 feet deep, 12 feet wide, and 13 feet long, what’s the approximate pressure at the bottom of the tank in pounds per square inch?
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Question 47 of 48
47. Question
If Gear A turns counterclockwise, what other gears turn counterclockwise?
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Question 48 of 48
48. Question
The well pictured above uses what type of simple machine to raise and lower a bucket?
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