The area under a speed-time graph is represented by the unit
  • $m^2$
  • $m^4$
  • $m^3$
  • $m$
The area under a graph between two quantities is given in unit m/s. The quantities are
  • speed and time
  • distance and time
  • acceleration and time
  • velocity and time
The velocity-time graph of a particle is not a straight line. Its acceleration is
  • zero
  • negative
  • variable
  • constant
For a particle moving with constant acceleration along a straight line, the velocity-time graph is a straight line.
  • True
  • False
Scalar quantities can be added according to the rules of arithmetic
  • True
  • False
If A moves with respect to B then B moves with respect to A
  • True
  • False
A body is thrown vertically upward with velocity u, the greatest height h to which it will rise is,
  • ulg
  • ul2g
  • (i) and (ii)
  • None of the above
The distance and direction of an object with respect to the reference point, at any instant of time, describes the _______ of the object at that instant of time.
  • position
  • speed
  • mass
  • temperature
Which of the following is a scalar quantity?
  • Displacement
  • Velocity
  • Distance
  • Acceleration
If the position of the object with respect to a reference point changes with time, the object is said to be in _______.
  • motion
  • rest
  • balance
  • rotation
The SI unit of velocity is:
  • m
  • m/s
  • m/s²
  • km
An object is said to be in motion if:
  • Its shape changes with time.
  • Its position changes with respect to a reference point.
  • It moves in a circular path.
  • It has high speed.
A person walks 50 m east and then 50 m west. What is the displacement?
  • 100 m
  • 50 m
  • 0 m
  • 25 m
A swimmer completes one full lap and returns to the starting point. Which statement is correct?
  • Average speed = 0
  • Average velocity = 0
  • Distance travelled = 0
  • Both average speed and average velocity are 0
The SI unit of acceleration is:
  • m/s
  • m²/s
  • m/s²
  • km/h²
A car is moving with constant velocity in a straight line. Its acceleration is:
  • Positive
  • Negative
  • Zero
  • Cannot be determined
If the velocity of an object decreases with time, the acceleration is:
  • In the same direction as velocity.
  • Opposite to the direction of velocity.
  • Zero.
  • Perpendicular to the direction of velocity.
Which of the following is an example of motion?
  • A book lying on a table
  • A fan rotating
  • A wall standing still
  • A closed door
A body is said to be in motion if it:
  • Changes its shape
  • Changes its position with time
  • Changes its color
  • Changes its mass
The SI unit of distance is:
  • Kilometer
  • Meter
  • Centimeter
  • Millimeter
Which quantity has only magnitude and no direction?
  • Velocity
  • Displacement
  • Speed
  • Acceleration
The path length covered by an object is called:
  • Displacement
  • Distance
  • Velocity
  • Acceleration
Which of the following can be zero even when an object has moved?
  • Distance
  • Speed
  • Displacement
  • Time
The speed of an object tells us:
  • Its direction only
  • How fast it moves
  • Its weight
  • Its shape
The motion of the hands of a clock is:
  • Rectilinear motion
  • Circular motion
  • Random motion
  • Vibratory motion
Which instrument is commonly used to measure speed in vehicles?
  • Thermometer
  • Speedometer
  • Ammeter
  • Odometer
An object moving with constant speed covers:
  • Unequal distances in equal intervals of time
  • Equal distances in equal intervals of time
  • Equal distances in unequal intervals of time
  • No distance at all
Which statement about displacement is correct?
  • It is always greater than distance
  • It can be zero
  • It is always positive
  • It has no direction
A car moving around a circular track at constant speed is:
  • Not accelerating
  • Accelerating due to change in direction
  • At rest
  • Moving with zero velocity
The slope of a distance-time graph represents:
  • Acceleration
  • Speed
  • Force
  • Momentum
0 h : 0 m : 1 s

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