MCQ’s
Chapter 2 – Kinematics

Kinematics – MCQ’s

  1. Study of motion of the bodies is known as:

(a) Heat

(b) Light

(c) Atomic physics

(d) Mechanics ✓

  1. Study of motion without discussing the cause of motion is called:

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(a) Kinematics ✓

(b) Dynamics

(c) Heat

(d) Motion

  1. If a body does not change its position with respect to some observer then it will be in a state of:

(a) Rest ✓

(b) Motion

(c) Uniform motion

(d) Relative motion

  1. If a body changes its position with respect to some observer then it will be in state of:

(a) Rest

(b) Motion ✓

(c) Uniform motion

(d) Relative motion

  1. Rest and motion are ————– states:

(a) Absolute

(b) Constant

(c) Variable

(d) Relative ✓

  1. Which one of the following is a vector quantity?

(a) Displacement ✓

(b) Speed

(c) Volume

(d) Work

  1. The spinning motion of a body about its axis is known as.     (LHR 2015)

(a) Translatory motion

(b) Vibratory motion

(c) Rotatory motion ✓

(d) none of these

  1. When a body moves to and fro about a point and repeats its motion again and again about the same point then this motion is known as:      (GRW 2014, 2015)

(a) Translatory

(b) Vibratory ✓

(c) Rotatory

(d) none of these

  1. The motion of the string of a violin is:

(a) Translatory

(b) Vibratory ✓

(c) Rotatory

(d) none of these

  1. Total length of a path between two points is known as:

(a) Velocity

(b) Acceleration

(c) Speed

(d) Distance ✓

  1. The shortest distance between two points is known as:

(a) Velocity

(b) Displacement ✓

(c) Speed

(d) Distance

  1. The area uner a speed time graph respresents

(a) Speed

(b) Volume

(c) Acceleration

(d) Distance ✓

  1. SI unit of speed is:

(a) ms-1  ✓

(b) mh-1

(c) kms-1

(d) All of these

  1. Speed is a ————- quantity:

(a) Vector

(b) Scalar ✓

(c) Both

(d) none of these

  1. If a body covers equal distance in equal intervals of time, however small the intervals may be, then the speed of the body is known as:

(a) Uniform ✓

(b) Variable

(c) Non uniform

(d) All of these

  1. The rate of displacement with respect to time is known as:

(a) Distance

(b) Speed

(c) Velocity ✓

(d) Acceleration

  1. If the speed and direction of the moving body does not change with time then its velocity is said to be:

(a) Uniform ✓

(b) Variable

(c) Constant

(d) All of these

  1. If the speed or direction of the moving body changes with time then its velocity is said to be:

(a) Uniform

(b) Variable ✓

(c) Constant

(d) All of these

  1. Rate of change of velocity is known as:

(a) Distance

(b) Speed

(c) Velocity

(d) Acceleration ✓

  1. If the velocity of the body is increasing then its acceleration will be:

(a) Positive ✓

(b) Negative

(c) Uniform

(d) Variable

  1. If the velocity of the body is decreasing then its acceleration will be:

(a) Positive

(b) Negative ✓

(c) Uniform

(d) Variable

  1. If the velocity of a body is uniform then its acceleration will be:

(a) Positive

(b) Negative

(c) Zero ✓

(d) Doubled

  1. SI unit of acceleration is:

(a) ms-1

(b) kmh-1

(c) kms-2

(d) ms-2

  1. If velocity of a body changes equally in equal intervals of time then its acceleration will be:

(a) Uniform ✓

(b) Variable

(c) Constant

(d) Relative

  1. The velocity and acceleration of a body moving with uniform speed in a circular path will be:

(a) In the same direction

(b) In the opposite direction

(c) Mutually perpendicular ✓

(d) Equal

  1. The direction of motion of body and acceleration is in same direction then acceleration will be:

(a) Uniform

(b) Positive ✓

(c) Negative

(d) Zero

  1. The direction of motion of body and acceleration is in opposite direction then acceleration will be:

(a) Uniform

(b) Positive

(c) Negative ✓

(d) Zero

  1. The quantity which can be described by a number, with suitable unit only is called:

(a) Vector

(b) Scalar ✓

(c) Speed

(d) Acceleration

  1. The quantity which are described by magnitude as well as direction is called:

(a) Vector ✓

(b) Scalar

(c) Speed

(d) Acceleration

  1. In equations of motion, motion will always be taken along ———- line:

(a) Circular

(b) Straight ✓

(c) Elliptical

(d) None of above

  1. In equations of motion, Acceleration will always be:

(a) Uniform ✓

(b) Variable

(c) Positive

(d) Negative

  1. In equations of motion, initial velocity will be taken as:

(a) Uniform

(b) Variable

(c) Positive ✓

(d) Negative

  1. In equations of motion, quantities in the direction of initial velocity are taken as:

(a) Uniform

(b) Variable

(c) Positive ✓

(d) Negative

  1. In equations of motion, quantities opposite to the direction of initial velocity are taken as:

(a) Uniform

(b) Variable

(c) Positive

(d) Negative ✓

  1. The slope of straight line in speed time graph gives the magnitude of

(a) Force

(b) Displacement

(c) Torque

(d) Acceleration ✓

  1. Series of experiments on free fall of heavy bodies was performed by:

(a) Newton

(b) Einstein

(c) Galileo ✓

(d) Al-Kundi

  1. When a body is falling freely under the gravity then in equations of motion ‘a’ is replaced by:

(a) m

(b) d

(c) S

(d) g ✓

  1. If a body is falling under the gravity then its initial velocity will be:

(a) Positive

(b) Negative

(c) uniform

(d) Zero ✓

  1. If a body is falling under the gravity then its gravitational acceleration will be:

(a) Positive ✓

(b) Negative

(c) Increasing

(d) Zero

  1. If a body is thrown vertically upward then its final velocity will be:

(a) Positive

(b) Negative

(c) uniform

(d) Zero ✓

  1. If a body is thrown upward, then its gravitational acceleration will be:

(a) Positive

(b) Negative ✓

(c) Increasing

(d) Zero

  1. A ball is dropped from the top of the tower. The distance covered by it in the first second is:

(a) 100m

(b) 10m

(c) 50m

(d) 5m ✓

  1. If a car is moving with uniform speed in a circle then its velocity will be:

(a) Uniform

(b) Variable ✓

(c) Zero

(d) None of the above

  1. There are ————– equations of motion which are used to solve the problems about the motion of bodies:

(a) 1

(b) 2

(c) 3 ✓

(d) 4

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