circular motion tute by Gayan SK PereraFull description
Apex Institute has a competitive environment, latest knowledge pool, comprehensive study material, scientifically developed teaching methodology. Mission Our mission is to make quality edu…Description complète
circular motion report, received an A+ grade in VCE Physics Units 3+4Full description
thinkiit
This Paper contains Circular motion problems.
Introduction to circular motion in an introductory physics course.
study iit material
THEROY
physics teaching notes
class
thinkiit solution hcverma class xi
Apex Institute has a competitive environment, latest knowledge pool, comprehensive study material, scientifically developed teaching methodology. Mission Our mission is to make quality edu…Full description
nice one
Edexcel Unit 4 Notes on Circular Motion
Uniform Circular Motion Self Test 2
Edexcel Unit 4 Notes on Circular MotionFull description
Full description
Deskripsi lengkap
Circular Motion MCQ Practice Test – 1 This is Practice Sheet for Circular Motion MCQ. Answer keys for Circular Motion MCQ Practice sheet is given at the end of sheet. Good for JEEMain! and A"PMT Pre#aration. "f you like it or find so$e error% #lease share or co$$ent. 1. A particle is revolving in a circle with increasing its speed uniformly. Which of the following is constant
a!
Centri#etal acceleration
&!
Tangential Tangential acceleration
c!
Angular acceleration
d!
'one of these.
!. An insect of mass m " # $g is inside a vertical drum of radius ! m that is rotation with an angular velocity of % rad s –1. The insect doesn&t fall. Then the minimum coefficient of friction re'uired is
a!
(.)
&!
(.*
c!
(.+
d!
'one of these.
#. A particle is moving on a circular path of 1( m radius. At any instant of time its speed is % m)s and the speed is increasing at a rate of ! m)s !. At this instant magnitude of the net acceleration will *e+
a!
,.+ $-s+
&!
+ $-s+
c!
+.) $-s+
d!
*., $-s+
,. A coin- placed on a rotation turnta*le slips- when it is placed at a distance of / cm from the centre. 0f the angular velocity of the turn ta*le is tripled- it will ust slip- if its distance from the centre is+
a!
+ c$
&!
/ c$
c!
, c$
d!
0 c$
%. A particle moves in a uniform circular motion. Choose the wrong statement+
a!
The #article $oves with constant s#eed &!
The acceleration is always nor$al to the velocity
c!
The #article $oves with unifor$ acceleration
d!
The #article $oves with varia&le velocity.
2. A *o* of mass m- suspended suspended *y a string string of length l 1 is given a minimum velocity re'uired to complete a full circle in the vertical plane. At the highest point- it collides elastically with another *o* of mass 3!m& suspended *y a string of length l !- which is initially at rest. 4oth the strings are massless and in e5tensi*le if the second *o*- after collision ac'uires the minimum speed re'uired to complete a full circle in the vertical
plane- the ratio
a!
,
&!
1
c!
/
the value of 3n& is
d!
)
6. The direction of the angular velocity vector is along+
a!
The tangent to the circular #ath
&!
The inward radius
c!
The outward radius
d!
The a2is of rotation
7. A stone is tied with a string and is rotated in a circle hori8ontally. When the string suddenly *rea$s - the stone will move+
a!
Tangential Tangential to the $otion
&!
Away Away fro$ the centre
c!
Towards Towards the centre
d!
'one of the a&ove
/. The ma5imum tension that an ine5tensi*le ring of radius 1 m and mass density (.1 $g m –1 can *ear is ,( 9. The ma5imum angular velocity with which it can *e rotated in a circular path is+
a!
+( rad-s
&!
03 rad-s
c!
01 rad-s
d!
0) rad-s
1(. Two particles of e'ual masses are revolving in circular paths of radii r 1 and r! respectively with the same speed. The ratio of their centripetal forces is+
a!
&!
c!
d! 11. The angular speed of a fly wheel ma$ing 1!( rev)min is+
a!
+π rad-s
&!
*π+ rad-s
c!
π
d!
*π rad-s
rad-s
1!. A mass of ! $g is whirled in a hori8ontal circle *y means of a string at an initial speed of % rev)min. :eeping the radius constant the tension in the string is dou*led. The new speed is nearly+
a! &!
c!
0( rev-$in
d! 1#. A stone of mass of 12 $g is attached to a string 1,, m long and is whirled in a hori8ontal circle. The ma5imum tension the string can withstand is 12 9. The ma5imum velocity of revolution that can *e given to the stone without *rea$ing it- will *e+
a!
+( $s 40
&!
01 $s 40
c!
0* $s 40
d!
0+ $s 40
1,. A particle moves with constant speed v along a circular path of radius r and completes the circle in time T. The acceleration of the particle is+
a!
&!
c!
d! 1%. The speed of revolution of a particle going around a circle is dou*led and its angular speed is halved. What happens to the centripetal acceleration
a!
5eco$es four ti$es
&!
6ou&led
c!
7alved
d!
8e$ains unchanged
12. A particle of mass ! $g is moving along a circular path of radius 1 m. if its angular speed is ! rad s –1- the centripetal force on it is+
