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This mock test of Circular Motion NAT Level - 1 for Physics helps you for every Physics entrance exam.
This contains 10 Multiple Choice Questions for Physics Circular Motion NAT Level - 1 (mcq) to study with solutions a complete question bank.
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*Answer can only contain numeric values

QUESTION: 1

A particle moves along a circle of radius (20/π)m with tangential acceleration of constant magnitude. If the speed of the particle is 80 **m**/**s** at the end of the second revolution after motion has begun. What will be the tangential acceleration in **ms**^{–2}?

Solution:

* n* = 2 revolution

from 3rd equation of motion

= 40 ** m**/

The correct answer is: 40

*Answer can only contain numeric values

QUESTION: 2

In the motorcycle stunt called ‘the well of death’ the track is a vertical cylindrical surface of 18 * m* radius. Take the motorcycle to be a point mass and µ = 0.8. The minimum angular speed (

Solution:

From (1) and (2)

*Answer can only contain numeric values

QUESTION: 3

In the figure shown a lift goes downwards with a constant retardation. An observer in the lift observes a conical pendulum in the lift, revolving in a horizontal circle with time period 2 seconds. The distance between the centre of the circle and the point of suspension is 2.0 * m*. The retardation of the lift in

Solution:

**g**** _{eff}** =

Put

⇒

The correct answer is: 10

*Answer can only contain numeric values

QUESTION: 4

A circular curve of a highway is designed for traffic moving at 72 * km*/

Solution:

The correct answer is: 21.801

*Answer can only contain numeric values

QUESTION: 5

For a body in circular motion with a constant angular velocity, the magnitude of the average acceleration over a period of a half a revolution is how many times the magnitude of its instantaneous acceleration?

Solution:

Instantaneous acceleration = ω^{2}R

The correct answer is: 0.637

*Answer can only contain numeric values

QUESTION: 6

A spot light * S* rotates in a horizontal plane with a constant angular velocity of 0.1

Solution:

The correct answer is: 0.6

*Answer can only contain numeric values

QUESTION: 7

A point * P* moves in counter clockwise direction on a circular path as shown in the figure. The movement of

Solution:

* S* =

Linear speed of the particle

Linear acceleration

at * t* = 2

The centripetal acceleration

The correct answer is: 14

*Answer can only contain numeric values

QUESTION: 8

A stone is projected from level ground at * t* = 0 sec such that its horizontal and vertical components of initial velocity are 10

Solution:

Tangential acceleration

Normal acceleration

During upward motion

⇒ * v_{y}* =

20 – 10

⇒

During downward motion

20 – 10

⇒

The correct answer is: 3

*Answer can only contain numeric values

QUESTION: 9

A ball suspended by a thread swings in a vertical plane so that its acceleration magnitudes in the extreme and lowest positions are equal. The thread deflection angle (in *degree*) in the extreme position is?

Solution:

Acceleration at lowest position

From energy conservation

acceleration at highest position

according to problem * a_{L}* =

The correct answer is: 53

*Answer can only contain numeric values

QUESTION: 10

A bird is flying in air. To take a turn in the horizontal plane of radius * R* = 10

Solution:

The correct answer is: 45

### Circular Motion (Part- 1)

Video | 13:07 min

### Circular Motion - Lecture 1

Video | 61:48 min

### Circular Motion - Quiz 1

Video | 38:32 min

### Circular Motion (Part - 1)

Video | 14:38 min

- Circular Motion NAT Level - 1
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- Circular Motion NAT Level - 2
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- Circular Motion MCQ Level - 1
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- Circular Motion MCQ Level - 2
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- Circular Motion MSQ
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