Circular Motion MCQs

Option A: Vibratory motion

Option B: Linear motion

Option C: Rotatory motion

Option D: Angular motion

Correct Answer: Angular motion ✔

Option A: 365 days

Option B: 730 days

Option C: 329 days

Option D: 129 days

Correct Answer: 129 days ✔

Option A: 0

Option B: 89N

Option C: 9.8 N

Option D: 10N

Correct Answer: 0 ✔

Option A: 9.8 N

Option B: 19.6 N

Option C: 129.4 N

Option D: 39.2 N

Correct Answer: 39.2 N ✔

Option A: 4

Option B: 3

Option C: 2

Option D: 5

Correct Answer: 3 ✔

Option A: An inertial frame of reference

Option B: Non-inertial frame

Option C: Neither inertial nor non-inertial

Option D: Both inertial and non-inertial

Correct Answer: Non-inertial frame ✔

Option A: Venus

Option B: Mercury

Option C: Uranus

Option D: Sun

Correct Answer: Venus ✔

Option A: Einstein

Option B: Galileo

Option C: Newtons

Option D: Plank

Correct Answer: Newtons ✔

Option A: mg

Option B: mg – ma

Option C: mg + ma

Option D: mg – ma

Correct Answer: mg ✔

Option A: πR

Option B: 2πR

Option C: 0

Option D: 4πR

Correct Answer: 0 ✔

Option A: At the highest point

Option B: At the lowest point

Option C: At any point during motion

Option D: At the point where gravity is not acting

Correct Answer: At the lowest point ✔

Option A: 1N

Option B: 10N

Option C: 2N

Option D: 100N

Correct Answer: 1N ✔

Option A: π

Option B: 3π

Option C: 6π

Option D: 12π

Correct Answer: π ✔

Option A: π

Option B: π/2

Option C: π/30

Option D: π/180

Correct Answer: π ✔

Option A: F=ma

Option B: F=τp/It

Option C: Στ = I α

Option D: All above

Correct Answer: Στ = I α ✔

Option A: π /3 x r

Option B: π/6 x r

Option C: V/30 x r

Option D: π / 180 x r

Correct Answer: π/6 x r ✔

Option A: the centripetal force upon him is less than limiting friction

Option B: the centripetal force upon him is greater than limiting friction

Option C: the centripetal force upon him is equal to the limiting friction

Option D: the friction between the tyres of the cycle and road vanishes

Correct Answer: the centripetal force upon him is greater than limiting friction ✔

Option A: 2π

Option B: π/2

Option C: π

Option D: 20π

Correct Answer: π/2 ✔

Option A: 7.3 x 10 radians/second

Option B: 7.3 x 5 radians/second

Option C: 3.7 x 10 7.3 x 5 radians/second

Option D: 7.3 x 10-5 radians/second

Correct Answer: 7.3 x 10-5 radians/second ✔

Option A: πR

Option B: 2π R

Option C: 0

Option D: 4πR

Correct Answer: 0 ✔

Option A: Elliptical path

Option B: Circular path

Option C: Parabolic path

Option D: Rectilinear path

Correct Answer: Rectilinear path ✔

Option A: 4 rad. S-1

Option B: 5 rad. S-1

Option C: 1.6 rad. S-1

Option D: 2.8 ms-1

Correct Answer: 5 rad. S-1 ✔

Option A: Gravitational force

Option B: Frictional force

Option C: Coulomb force

Option D: Centripetal force

Correct Answer: Gravitational force ✔

Option A: Mass of the jumper

Option B: Height of jump

Option C: Angle of projection

Option D: None

Correct Answer: Angle of projection ✔

Option A: Maximum

Option B: Zero

Option C: Equal to the weight of the stone

Option D: Less than the weight of the stone

Correct Answer: Equal to the weight of the stone ✔

Option A: mV/r2

Option B: mV/r

Option C: mV2/r

Option D: mV2/r2

Correct Answer: mV2/r ✔

Option A: Maximum work

Option B: Minimum work

Option C: Negative work

Option D: No work

Correct Answer: No work ✔

Option A: Mass of a body

Option B: Velocity of body

Option C: The tension in the string

Option D: Centripetal acceleration

Correct Answer: The tension in the string ✔

Option A: a = a x r

Option B: a = r x a

Option C: a = a x r

Option D: r = a x a

Correct Answer: a = a x r ✔

Option A: π radian

Option B: 2π radian

Option C: π/2 radian

Option D: 4π radian

Correct Answer: π radian ✔

Option A: 180°

Option B: 0°

Option C: 90°

Option D: 45°

Correct Answer: 0° ✔

Option A: along the axis of rotation

Option B: along the tangent

Option C: directed towards the centre

Option D: directed away from the centre

Correct Answer: along the tangent ✔

Option A: T = πv

Option B: T = πw

Option C: T = 2πr

Option D: T = 2πr/v

Correct Answer: T = 2πr ✔

Option A: 67.3°

Option B: 57.3°

Option C: 87.3°

Option D: 60°

Correct Answer: 57.3° ✔

Option A: material objects only

Option B: material objects and electromagnetic radiation only

Option C: electromagnetic radiations

Option D: none of the above

Correct Answer: material objects and electromagnetic radiation only ✔

Option A: 42000km

Option B: 36000km

Option C: 24000 km

Option D: 18000 km

Correct Answer: 42000km ✔

Option A: 3 hours

Option B: 6 hours

Option C: 12 hours

Option D: 24 hours

Correct Answer: 24 hours ✔

Option A: 8 Kms-1

Option B: 8.1 Kms-1

Option C: 7.9 Kms-1

Option D: 8 ms-1

Correct Answer: 7.9 Kms-1 ✔

Option A: K.E hoop = K.E disc

Option B: K.E hoop = 2K.E disc

Option C: K.E hoop = 1/2K.E disc

Option D: K.E hoop = 4K.E disc

Correct Answer: K.E hoop = 2K.E disc ✔

Option A: its translational K.E

Option B: half than its translational K.E

Option C: double than its translational K.E

Option D: four times than its translational K.E

Correct Answer: its translational K.E ✔