JOIN ADRE 2.0 Telegram Group

Machine Kinematics Multiple Choice Questions and Answers – Kinetics of Motion

Questions
1 The force which acts along the radius of a circle and directed ____________ the centre of the circle is known as centripetal force.
A away from
B towards
C at the
D none of the mentioned

Answer: towards
2 The unit of mass moment of inertia in S.I. units is
A m4
B kgf-m-s2
C kg-m2
D N-m

Answer: kg-m2
Advertisement
Article and Schedule Quiz Start Test!

DOWNLOAD CURRENT AFFAIRS PDF FROM APP

3 Joule is a unit of
A force
B work
C power
D none of the mentioned

Answer: work
4 The energy possessed by a body, for doing work by virtue of its position, is called
A potential energy
B kinetic energy
C electrical energy
D chemical energy

Answer: potential energy
5 When a body of mass moment of inertia I (about a given axis) is rotated about that axis with an angular velocity, then the kinetic energy of rotation is
A 0.5 I.ω
B I.ω
C 0.5 I.ω2
D I.ω2

Answer: 0.5 I.ω2
6 The wheels of a moving car possess
A potential energy only
B kinetic energy of translation only
C kinetic energy of rotation only
D kinetic energy of translation and rotation both.

Answer: kinetic energy of translation and rotation both.
7 The bodies which rebound after impact are called
A inelastic bodies
B elastic bodies
C solid bodies
D none of the mentioned

Answer: elastic bodies
8 The coefficient of restitution for inelastic bodies is
A zero
B between zero and one
C one
D more than one

Answer: zero
9 Which of the following statement is correct ?
A The kinetic energy of a body during impact remains constant.
B The kinetic energy of a body before impact is equal to the kinetic energy of a body after impact.
C The kinetic energy of a body before impact is less than the kinetic energy of a body after impact.
D The kinetic energy of a body before impact is more than the kinetic energy of a body after impact.

Answer: The kinetic energy of a body before impact is more than the kinetic energy of a body after impact.
10 A body of mass m moving with a constant velocity v strikes another body of same mass m moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is
A v
B 2 v
C 4 v
D 8 v

Answer: 2 v

ADRE 2.0 FULL LENGTH MOCK TEST

Take Mock Tests

Missiles Mock Test Start Test!
SSC MTS Mock Test Start Test
IBPS CLERK MOCK TEST Start Test
SSC MTS 2022 JULY 26 Shift 1 (ENGLISH) Start Test!
SSC GD Previous Year Paper 2021 Nov 17 Shift - I (Hindi) Start Test!
SSC CGL Tier - 1 PYP 2022 April 21 Shift- 1 (ENGLISH) Start Test!
MPSC PAPER I MOCK TEST 1 (ENGLISH) Start Test!
IB Security Assistant Mock test 1 (english) Start Test!
UP POLICE CONSTABLE MOCK TEST 1 Start Test!
DELHI POLICE CONSTABLE MOCK TEST 1 (HINDI) Start Test!
Advertisement
Assam Direct Recruitment Test Series