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Circular Motion - Set 1

Home
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NUST Entrance Test
/
Physics
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Circular Motion

Set 1

MM

Mashaal Masha

Oct 12, 2022

On this page

$Angular displacement is a vector quantity for:$
$$\pi$ radians is equal to:$
$Angular displacement $\triangle \theta$ is assigned a ________ sign when the sense of rotation of the body is counter clockwise:$
$A point on the rim of a wheel moves 0.2 m when the wheel turns through an angle of 14.3 degrees. The radius of the wheel is:$
$Conventionally the angular velocity is directed at an angle of:$
$The relation between revolution and radian is given by:$
$An axis of rotation:$
$Direction of motion ________ in circular motion$
$1 rev/min is equal to:$
$Centripetal acceleration is also called _________ acceleration$

Choose the correct options for the following questions.

Angular displacement is a vector quantity for:

Difficulty: Easy

A:

Very small values of $\triangle \theta$

B:

Very large values of $\triangle \theta$

C:

All values of $\triangle \theta$

D:

None

$\pi$ radians is equal to:

Difficulty: Easy

A:

360^{\circ}

B:

180^{\circ}

C:

Conventionally the angular velocity is directed at an angle of:

D:

45^{\circ}

Angular displacement $\triangle \theta$ is assigned a ________ sign when the sense of rotation of the body is counter clockwise:

Difficulty: Easy

A:

Positive

B:

Negative

C:

Any one of them

D:

None

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:

Difficulty: Easy

A:

0.05 m

B:

0.08 m

C:

0.8 m

D:

0.008 m

Conventionally the angular velocity is directed at an angle of:

Difficulty: Easy

A:

$90^{\circ}$ to the axis of rotation

B:

$30^{\circ}$ to the axis of rotation

C:

$0^{\circ}$ to the axis of rotation

D:

None

The relation between revolution and radian is given by:

Difficulty: Easy

A:

1 rev=2 $\pi$ radians

B:

1 rad=2 $\pi$ revolutions

C:

1 rev= $\pi$ radians

D:

1 rad= $\pi$ revolutions

An axis of rotation:

Difficulty: Easy

A:

Is a straight line

B:

Is normal to the plane of rotation

C:

Passes through pivot point O

D:

All

Direction of motion ________ in circular motion

Difficulty: Easy

A:

changes off and on

B:

changes continuously

C:

does not change

D:

none

1 rev/min is equal to:

Difficulty: Easy

A:

\frac{\pi}{6} rad/sec

B:

\frac{\pi}{15} rad/sec

C:

\frac{\pi}{20} rad/sec

D:

\frac{\pi}{30} rad/sec

Centripetal acceleration is also called _________ acceleration

Difficulty: Easy

A:

Tangential

B:

Radial

C:

Angular

D:

None