Straight line motion of a body is known as

  • circular motion
  • linear motion
  • random motion
  • vibratory motion

Alex is walking at the rate of 2km/h towards east, it is an example of

  • vector
  • scalar
  • length
  • energy

Rate of change of distance is

  • velocity
  • force
  • position
  • speed

Motion of the Earth around the Sun is an example of

  • random motion
  • vibratory motion
  • circular motion
  • linear motion

If the velocity of a body increases with time, then its acceleration is

  • zero
  • positive
  • negative
  • neutral

If a car is traveling at 8 ms−1 accelerates uniformly at 2 ms−2, its velocity after 5 seconds will be

  • 20 ms−1
  • 23 ms−1
  • 25 ms−1
  • 28 ms−1

The quantity whose value varies with the independent quantity is termed as

  • negative quantity
  • dependent quantity
  • fixed quantity
  • zero quantity

A spinning motion of a body about its axis is called its

  • rotatory motion
  • vibratory motion
  • circular motion
  • linear motion

Displacement is defined as the

  • longest distance between two points
  • zero distance between two points
  • shortest distance between two points
  • all of above

If a car is moving at a velocity of 30 ms−-1 then slows down uniformly to 20ms−1 in 6s. Its retardation will be

  • 5 ms−2
  • 2.33 ms−2
  • 1.67 ms−2
  • 4 ms−2

In terms of velocity, the symbol vi is used for

  • initial velocity
  • negative velocity
  • total velocity
  • final velocity

A train starts from rest. It acquires a speed of 25 ms−1 after 20 s. The total distance is

  • 500 m
  • 31.25 m
  • 300 m
  • 250 m

The children playing on see-saw exhibit

  • translational motion
  • rotatory motion
  • linear motion
  • vibratory motion

A physical quantity which can be completely described by its magnitude and direction is called

  • scalar
  • vector
  • displacement
  • velocity

The numerical value with an appropriate unit is called

  • rate
  • magnitude of quantity
  • amount
  • position

If a car is moving at 30 ms-1 and uniformly slows down to 15 ms-1 in 5s then its deceleration is

  • -3 ms-1
  • -4 ms-1
  • 5 ms-1
  • 21 ms-1

A vector quantity among the following is

  • velocity only
  • force only
  • mass
  • velocity and force

A bus moving in a straight and leveled road is in

  • linear motion
  • vibratory motion
  • circular motion
  • random motion

The disordered or irregular motion of an object is called

  • vibratory motion
  • circular motion
  • linear motion
  • random motion

The motion of a baby in a swing is an example of

  • circular motion
  • rotatory motion
  • random motion
  • vibratory motion
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