science
Grade-7
Easy

Question

Observe the picture below. The position of which of the objects can be considered as a reference point to study the state of a passenger in the yellow bus?

a. The child
b. The car
c. The traffic pole
d. Another passenger in the same bus
e . A person travelling in the car
f. One of the yellow strips on the road

  1. a, b and e only
  2. e and f only
  3. c, d and f only
  4. f and c only

hintHint:

C, d and f only is the correct option.

The correct answer is: c, d and f only


    • A reference point is a point with which we can find the position of an object either object is moving or at rest.
    • We can tell the motion of an object by comparing its position with respect to its reference point.
    • We can check motion of yellow bus passengers by using pole, another vehicle passenger and yellow stripes as reference point.

    Related Questions to study

    Grade-7
    science

    A bus crosses a bus stop without stopping. What is the state of motion of the driver w.r.t. a child standing at the bus stop?

    A bus crosses a bus stop without stopping. What is the state of motion of the driver w.r.t. a child standing at the bus stop?

    scienceGrade-7
    Grade-7
    science

    Which of the following is true for a body undergoing a non-uniform motion?
    a. It covers unequal distances in equal intervals of time.
    b. It covers equal distances in unequal intervals of time.
    c. It travels in the same direction with the same speed throughout the motion
    d. Its rate of motion is measured by a physical quantity called average speed.

    Which of the following is true for a body undergoing a non-uniform motion?
    a. It covers unequal distances in equal intervals of time.
    b. It covers equal distances in unequal intervals of time.
    c. It travels in the same direction with the same speed throughout the motion
    d. Its rate of motion is measured by a physical quantity called average speed.

    scienceGrade-7
    Grade-7
    science

    Pick the odd one out

    Pick the odd one out

    scienceGrade-7
    parallel
    Grade-7
    science

    The rate of change of displacement is called ___. Its SI unit is ___.

    The rate of change of displacement is called ___. Its SI unit is ___.

    scienceGrade-7
    Grade-7
    science

    What kind of motion do the blades of a fan (switched on) make?
    a) Rotational motion
    b) Periodic motion
    c) Random motion
    d) Oscillatory motion

    What kind of motion do the blades of a fan (switched on) make?
    a) Rotational motion
    b) Periodic motion
    c) Random motion
    d) Oscillatory motion

    scienceGrade-7
    Grade-7
    science

    Speed + direction = ___.

    Speed + direction = ___.

    scienceGrade-7
    parallel
    Grade-7
    science

    Sheena wanted to measure the displacement between two points of her house. She has fixed an iron nail at each point. Which of the following methods can she follow?
    a. Tie a thread to the first nail and then tie it to the other nail. Measure the length of the thread between those two points using a ruler.
    b. Tie a thread to the first nail and tie the other end of the thread to the second nail so that the thread is taut and measure the length of the thread used using a ruler.
    c. Fix one end of the measuring tape to the first nail and stretch it towards the second nail and record the measurement.

    If the line between two points is straight, then only it will show displacement.

    Sheena wanted to measure the displacement between two points of her house. She has fixed an iron nail at each point. Which of the following methods can she follow?
    a. Tie a thread to the first nail and then tie it to the other nail. Measure the length of the thread between those two points using a ruler.
    b. Tie a thread to the first nail and tie the other end of the thread to the second nail so that the thread is taut and measure the length of the thread used using a ruler.
    c. Fix one end of the measuring tape to the first nail and stretch it towards the second nail and record the measurement.

    scienceGrade-7

    If the line between two points is straight, then only it will show displacement.

    Grade-7
    science

    A boy is running along a circular path of radius R. He completes one revolution in 50 s. What is the displacement of the boy after 2 minutes 55 seconds?

    A boy is running along a circular path of radius R. He completes one revolution in 50 s. What is the displacement of the boy after 2 minutes 55 seconds?

    scienceGrade-7
    Grade-7
    science

    An object covers the first 30 m of the journey in 5 seconds and the next 30 m in 3 seconds. What is the average speed of the object?

    An object covers the first 30 m of the journey in 5 seconds and the next 30 m in 3 seconds. What is the average speed of the object?

    scienceGrade-7
    parallel
    Grade-7
    science

    A horse covers 500 m in 2 minutes. Its speed in SI units is ___.

    The SI unit of distance is Meter(m) and SI unit of time is Seconds (s).

    A horse covers 500 m in 2 minutes. Its speed in SI units is ___.

    scienceGrade-7

    The SI unit of distance is Meter(m) and SI unit of time is Seconds (s).

    Grade-7
    science

    An object is moving in a straight line in the same direction. Its average velocity is ____ it’s average speed.

    An object is moving in a straight line in the same direction. Its average velocity is ____ it’s average speed.

    scienceGrade-7
    Grade-7
    science

    The ratio of distance to displacement is always ____.

    The ratio of distance to displacement is always ____.

    scienceGrade-7
    parallel
    Grade-7
    science

    A car traveled north-west for 350 m depicts ____.

    A car traveled north-west for 350 m depicts ____.

    scienceGrade-7
    Grade-7
    science

    Which of the following statements is true about choosing a point of reference to observe and specify the state of a body?
    a) It can be any point in the surrounding of the object under observation.
    b) It must be a stationary point in the surrounding of the object under observation.
    c) It can be a point in the vicinity of the object under observation

    Which of the following statements is true about choosing a point of reference to observe and specify the state of a body?
    a) It can be any point in the surrounding of the object under observation.
    b) It must be a stationary point in the surrounding of the object under observation.
    c) It can be a point in the vicinity of the object under observation

    scienceGrade-7
    Grade-7
    science

    An object is said to be in a non-uniform motion when ____.

    An object is said to be in a non-uniform motion when ____.

    scienceGrade-7
    parallel

    card img

    With Turito Academy.

    card img

    With Turito Foundation.

    card img

    Get an Expert Advice From Turito.

    Turito Academy

    card img

    With Turito Academy.

    Test Prep

    card img

    With Turito Foundation.