Skip to content
Myclass24

Gravitation

Science · Class 9 · All

ScienceClass 9AllEasy
Q1/14
45s

The acceleration due to gravity on the Earth's surface is approximately

← All quizzesTap an option to answer
SCORE
0/14
Streak0
Accuracy0%
Answered0/14
Every wrong answer is a step forward.
All 14 questions in this quiz

  1. Which statement correctly distinguishes mass from weight?

    1. Mass changes with location, but weight remains constant.
    2. Both mass and weight remain constant everywhere.
    3. Mass is constant, but weight depends on gravity.
    4. Weight is measured in kilograms.

  2. Why do astronauts appear to float inside a spacecraft orbiting the Earth?

    1. There is no gravity in space.
    2. They experience a condition of continuous free fall.
    3. Their mass becomes zero.
    4. Air pressure becomes zero.

  3. Weight is a

    1. Scalar quantity
    2. Vector quantity
    3. Dimensionless quantity
    4. Constant quantity

  4. Which of the following experiences free fall?

    1. A book resting on a table
    2. A stone dropped from a height (ignoring air resistance)
    3. A person sitting on a chair
    4. A car parked on the road

  5. The force of gravitation between two objects increases when

    1. The distance between them increases
    2. Their masses decrease
    3. Their masses increase
    4. One object loses its shape

  6. Which instrument is used to measure mass?

    1. Spring balance
    2. Beam balance
    3. Thermometer
    4. Stopwatch

  7. The value of acceleration due to gravity on the Moon is approximately

    1. 1.6 m/s²
    2. 3.2 m/s²
    3. 9.8 m/s²
    4. 12 m/s²

  8. Why do objects fall toward the Earth?

    1. Due to air pressure
    2. Due to magnetic force
    3. Due to Earth's gravitational force
    4. Due to friction

  9. Which physical quantity remains constant everywhere?

    1. Weight
    2. Gravitational force
    3. Mass
    4. Acceleration due to gravity

  10. The weight of an object is equal to

    1. Mass × Velocity
    2. Mass × Acceleration due to gravity
    3. Mass × Distance
    4. Mass ÷ Gravity

  11. The acceleration due to gravity on the Earth's surface is approximately

    1. 5.8 m/s²
    2. 8.9 m/s²
    3. 9.8 m/s²
    4. 10.8 m/s²

  12. The SI unit of gravitational force is

    1. Joule
    2. Newton
    3. Pascal
    4. Watt

  13. The force that attracts objects toward the Earth is called

    1. Magnetic force
    2. Electrostatic force
    3. Gravitational force
    4. Frictional force

  14. Who proposed the Universal Law of Gravitation?

    1. Albert Einstein
    2. Galileo Galilei
    3. Sir Isaac Newton
    4. Johannes Kepler