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In non uniform circular motion, the ratio of tangential to radial acceleration is $(r =$ the radius of the circle, $v =$ the speed of the particle, $α =$ the angular acceleration

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Important Questions on Circular Motion

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IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 9 - Circular Motion>Competitive Thinking>Q 37

A car is moving with speed

30 m s^{- 1}

on a circular path of radius

500 m

. Its speed is increasing at the rate of

2 m s^{- 2} .

What is the acceleration of the car?

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 9 - Circular Motion>Competitive Thinking>Q 38

Centripetal force in vector form can be expressed as

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 9 - Circular Motion>Competitive Thinking>Q 39

One end of the string of length

l

is connected to a particle of mass

m

and the other end is connected to a small peg on a smooth horizontal table. If the particle moves in a circle with speed

v

, the net force on the particle (directed towards the centre) will be (

T

represents the tension in the string)

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 9 - Circular Motion>Competitive Thinking>Q 40

A particle of mass m is executing uniform circular motion on a path of radius

r

. If

p

is the magnitude of its linear momentum, the radial force acting on the particle is

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 9 - Circular Motion>Competitive Thinking>Q 41

The magnitude of the centripetal force acting on a body of mass

m

executing uniform motion in a circle of radius

r

with speed

v

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IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 9 - Circular Motion>Competitive Thinking>Q 42

If tension in a string is

6.4 N

. A load at the lower end of a string is

0.1 kg

, the length of the string is

6 m

then find its angular velocity

(g = 10 m s^{- 2})

EASY

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 9 - Circular Motion>Competitive Thinking>Q 43

A cyclist turns around a curve at

15 miles per hour

. If he turns at double the speed, the tendency to overturn is

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IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 9 - Circular Motion>Competitive Thinking>Q 44

A body of mass

m

performs

U . C . M .

along a circular path of radius

r

with a velocity

v

. If its angular momentum is

L

, then its centripetal force is

In non uniform circular motion, the ratio of tangential to radial acceleration is (r=the radius of the circle, v=the speed of the particle, α=the angular acceleration

Important Questions on Circular Motion

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In non uniform circular motion, the ratio of tangential to radial acceleration is $(r =$ the radius of the circle, $v =$ the speed of the particle, $α =$ the angular acceleration