Machine Kinematics Multiple Choice Questions(MCQs) and Answers – Kinematics of Motion

Questions

1 The unit of linear acceleration is

A kg-m

B m/s

C m/s²

D rad/s²

View Answer

Answer: m/s²

2 The angular velocity (in rad/s) of a body rotating at N r.p.m. is

A π N/60

B 2 π N/60

C π N/120

D π N/180

View Answer

Answer: 2 π N/60

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3 The linear velocity of a body rotating at ω rad/s along a circular path of radius r is given by

A ω.r

B ω/r

C ωs².r

D ωs²/r

View Answer

Answer: ω.r

4 When a particle moves along a straight path, then the particle has

A tangential acceleration only

B centripetal acceleration only

C both tangential and centripetal acceleration

D none of the mentioned

View Answer

Answer: tangential acceleration only

5 When a particle moves with a uniform velocity along a circular path, then the particle has

A tangential acceleration only

B centripetal acceleration only

C both tangential and centripetal acceleration

D none of the mentioned

View Answer

Answer: centripetal acceleration only

6 When the motion of a body is confined to only one plane, the motion is said to be

A plane motion

B rectilinear motion

C curvilinear Motion

D none of the mentioned

View Answer

Answer: plane motion

7 _______________ is the simplest type of motion and is along a straight line path.

A plane motion

B rectilinear motion

C curvilinear Motion

D none of the mentioned

View Answer

Answer: rectilinear motion

8 _________________ is the motion along a curved path.

A plane motion

B rectilinear motion

C curvilinear Motion

D none of the mentioned

View Answer

Answer: curvilinear Motion

9 Displacement of a body is a ___________ quantity.

A scalar

B vector

C scalar and vector

D none of the mentioned

View Answer

Answer: vector

10 A train covers 60 miles between 2 p.m. and 4 p.m. How fast was it going at 3 p.m.?

A 60 mph

B 30 mph

C 40 mph

D 50 mph

View Answer

Answer: 30 mph

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