# Laws of Motion-Force and Inertia (NEET Physics): Questions 6 - 10 of 56

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to **2099** questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

## Question number: 6

» Laws of Motion » Force and Inertia

### Question

A 5 kg balls is swing in a vertical circle at the end of a cord 1 m long. The maximum speed at which it can swing if the cord can sustain maximum tension of 150 N will be –

### Choices

Choice (4) | Response | |
---|---|---|

a. | 64 m/s | |

b. | 36.5 m/s | |

c. | 3.18 m/s | |

d. | 101 m/s |

## Question number: 7

» Laws of Motion » Force and Inertia

### Question

The string of a pendulum is horizontal. The mass of the bob is m. Now the string is released. The tension in the string in the lowest position is –

### Choices

Choice (4) | Response | |
---|---|---|

a. | 1 mg | |

b. | 2 mg | |

c. | 3 mg | |

d. | 4 mg |

## Question number: 8

» Laws of Motion » Force and Inertia

### Question

A stone of mass 1 kg tied to a light inextensible string of length L = 10/6 m is whirling in a circular path of radius L in a vertical plane. If the ratio of the maximum tension in the string to the minimum tension in the suing is 4 and if g is taken to be 10m/sec ^{2}, the speed of the stone at the highest point of the circle is

### Choices

Choice (4) | Response | |
---|---|---|

a. | m/sec | |

b. | 20 m/sec | |

c. | 7.07 m/sec | |

d. | m/sec |

## Question number: 9

» Laws of Motion » Force and Inertia

### Question

A swimmer can swim in still water at a rate 4 km/h. If he swims in a river flowing at 3 km/h and keeps his direction (w. r. t. water) perpendicular to the current. Find his velocity w. r. t. the ground.

### Choices

Choice (4) | Response | |
---|---|---|

a. | 3 km/hr | |

b. | 7 km/hr | |

c. | 5 km/hr | |

d. | 4 km/hr |

## Question number: 10

» Laws of Motion » Force and Inertia

### Question

A cane filled with water is revolved in a vertical circle of diameter 2 m and the water does not fall down n maximum period of revolution must be –

### Choices

Choice (4) | Response | |
---|---|---|

a. | 14.15 | |

b. | 4.02 | |

c. | 1.45 | |

d. | 2.006 |