# AP (Advanced Placement) Physics(B-C): Questions 150 - 153 of 921

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## Question number: 150

» Gravitation and Circular Motion

### Question

Two planets have the same density, but the radius of one of the planets is three times greater than that of the other. An object weights on the surface of the smaller planet. What does it weight on the surface of the larger planet?

### Choices

Choice (5) | Response | |
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a. |
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b. |
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c. |
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d. |
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e. | Question does not provide sufficient data or is vague |

## Question number: 151

### Question

The distance of a bicycle pedal from its axle is about . If a bicycle rider with a mass of exerts all of her weight on the pedal, what is the approximate torque applied at the point where the pedal is farthest forward and horizontal?

### Choices

Choice (5) | Response | |
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a. |
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b. |
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c. |
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d. |
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e. | All of the above |

## Question number: 152

» Force and Newton's Law of Motion

### Question

A net force of is applied for to an object with a mass of , will change the speed of the object:

### Choices

Choice (5) | Response | |
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a. | from rest to | |

b. | from to | |

c. | from to | |

d. | from to | |

e. | None of the above |

## Question number: 153

### Question

The ladder in the illustration has a mass of 6 kg and is 2 m long. The ladder is stable against a frictionless wall with its bottom positioned from the base of the wall. Determine the normal force exerted by the wall on the ladder.

### Choices

Choice (5) | Response | |
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a. |
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b. |
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c. |
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d. |
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e. | None of the above |