Physics ECAT Pre Engineering Chapter 5 Circular Motion

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  • Chapter NameCh 5 - Circular Motion

Physics ECAT Pre Engineering Chapter 5 Circular Motion

  • Total Questions15

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Physics ECAT Pre Engineering Chapter 5 Circular Motion

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Question # 1

One radian is:

Question # 2

A stone tied to the end of a 20 cm long string is whirled in a horizontal circle. If centripetal acceleration is 9.8 m/sec2, then its angular velocity is rad/sec is:

Question # 3

Centripetal acceleration is also called ______ acceleration:

Question # 4

Moment of linear momentum is called.

Question # 5

The number of countries who manage the largest satellite system is:

Question # 6

A 1000 Kg car travelling with a speed of 90 km/hr turns around a curve of radius 0.1 km. The necessary centripetal force comes out to be:

Question # 7

A toy car moves around a circular track of radius 0.3 m at the rate of 120 rev/min. The speed V of the car is:

Question # 8

The net force acting on a 100 kg man standing in an elevator accelerating downward with a = 0.8 m sec-2comes out to:

Question # 9

Centripetal acceleration is also called ________ acceleration

Question # 10

If a gymnast is sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will:

Question # 11

When a body moves with a constant speed in a circle:

Question # 12

The number of "Earth stations" which transmit signals to satellites and receive signals from them are:

Question # 13

Conventional the angular Velocity is Directed at an angle of:

Question # 14

One radian is equal to:

Question # 15

A point on the rim of a wheel moves 0.2 m when the wheel turns through an angle of 14.3 degrees. The radius of the wheel is:

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