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
,
