1 ) The normal component of the acceleration is always directed toward the center of curvature of the path of the particle . A ) True , B ) False ,

1 ) The normal component of the acceleration is always directed toward the center of curvature of the path of the particle .

A )  True ,

B )  False ,

Correct answers : -  A )  True ,

 

2 )  The tangential component of the acceleration measures the rate of change of the speed .

A )  True ,

B )  False ,

Correct answers : -  A )  True ,

 

3 )  Tangential and normal components are most often used when the particle of interest travels along a known curvilinear path or when the radius of curvature of the path is to be determined .

A ) True ,

B )  False ,

Correct answers : -  A ) True ,

 

4 )  The rectilinear motion of a particle , i.e. ,  the motion of a particle along a straight line .

A )  True ,

B )  False ,

Correct answers : -  A )  True ,

 

5 )  The velocity v of the particle P is to be equal to the time derivative of the position coordinate x .

A )  True ,

B )  False ,

Correct answers : -   A )  True  ,

 

6 )  We obtained the acceleration a by differentiating v with respect to t ,

A )  True ,

B )  False ,

Correct answers : -   A )  True ,

 

7 )  Two types of motion are frequently encountered. Uniform rectilinear motion and Uniformly accelerated rectilinear motion .

A ) True ,

B )  False ,

Correct answers : -   A ) True ,

 

8 )  Uniform rectilinear motion in which the velocity v of the particle is constant .

A )  True ,

B )  False ,

Correct answers : -  A )  True ,

 

9 )  Uniform rectilinear motion is expressed as ,

A )  True ,

B )  False ,

Correct answers : -  A )  True ,

 

10 ) Uniform accelerated rectilinear motion in which the acceleration a of the particle is constant .

A )  True ,

B )  False ,

Correct answers : -   A )  True ,

 

11 )  Uniform accelerated rectilinear motion equations are expressed as ,

A )  True ,

B )  False ,

Correct answers : -   A )  True ,

 

12 )  When several blocks are connected by inextensible cords , it is possible to write a linear relation between their position coordinates in term of its length .

A )  True ,

B )  False ,

Correct answers : -   A )  True ,

 

13 )  The curvilinear motion of a particle, i.e., the motion of a particle along a curved path ,

A )  True ,

B )  False ,

Correct answers : -   A )  True ,

 

14 )  Denoting the rectangular coordinates of a particle P by x, y, and z, we found that the rectangular components of the velocity and acceleration of P equal, respectively, the first and second derivatives with respect to t .

A )  True ,

B )  False ,

Correct answers : -   A )  True ,

 

15 )  Denoting the relative position vector of B with respect to A by r B/A ,

A )    rB – rA ,

B )    rA – rB ,

Correct answers : -   A )    rB – rA ,

 

16 )  Denoting the relative velocity of B with respect to A by vB/A ,

A )  vB – vA ,

B )  vA – vB ,

Correct answers : -   A )  vB – vA ,

 

17 )  Denoting the relative acceleration of B with respect to A by aB/A ,

A )  aB – aA ,

B )  aA – aB ,

Correct answers : -   A )  aB – aA ,

 

18 )  It is sometimes convenient to resolve the velocity and acceleration of a particle P into components other than the rectangular x, y, and z components ,

A )  True ,

B )  False ,

Correct answers : -   A )  True ,

 

19 )  The velocity of the particle in terms of tangential and normal components is expressed as ,

A )  True ,

B )  False ,

Correct answers : -   A )  True ,

 

20 )  The acceleration of the particle in terms of tangential and normal components is expressed as ,


A )  True ,

B )  False ,

Correct answers : -   A )  True ,

 

21 )  The velocity of the particle in terms of radial and transverse components is expressed as ,

A )  True ,

B )  False ,

Correct answers : -   A )  True ,

 

22 )  The acceleration of the particle in terms of radial and transverse components is expressed as ,

A )  True ,

B )  False ,

Correct answers: True

 

23 )  The scalar components of the velocity in the radial and transverse directions are given as ,

A )  True ,

B )  False ,

Correct answers : -   A )  True ,

 

24 )  The scalar components of acceleration in the radial and transverse directions are given as ,

A ) True ,

B ) False ,

Correct Answer : -  A ) True ,

 

25 )  ar is not equal to the time derivative of vr ,

A )  True ,

B )  False ,

Correct answers : -   A )  True ,

 

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