Quiz for Universal law

Q1: What does the universal law of gravitation state?

A. Every object attracts every other object with a force that is proportional to the product of their masses and inversely proportional to the square of the distance between them B. Only massive bodies attract each other C. Gravitational force acts only on Earth D. Gravitational force is directly proportional to the square of distance

Q2: Which of the following is the gravitational constant (G)?

A. 6.67 × 10^-9 Nm^2/kg^2 B. 6.67 × 10^-11 Nm^2/kg^2 C. 9.8 m/s^2 D. 3.00 × 10^8 m/s

Q3: Gravitational force is a _____ force.

A. Contact B. Nuclear C. Non-contact D. Frictional

Q4: What happens to gravitational force if the distance between two masses is doubled?

A. It becomes four times B. It becomes half C. It becomes one-fourth D. It remains same

Q5: Gravitational force between two objects depends on:

A. Only distance B. Only mass C. Mass and distance D. Only volume

Q6: If mass of one object is doubled, gravitational force becomes:

A. Doubled B. Tripled C. Halved D. Same

Q7: Unit of gravitational constant G is:

A. Nm^2/kg^2 B. Nm/kg^2 C. kgm/s^2 D. Nm^2/s^2

Q8: On what is the value of G dependent?

A. Location on Earth B. Mass of Earth C. It is universal constant D. Gravitational field

Q9: If distance is reduced to half, the gravitational force becomes:

A. Double B. Quadruple C. Half D. One-fourth

Q10: Who proposed the universal law of gravitation?

A. Albert Einstein B. Isaac Newton C. Galileo Galilei D. Kepler

Q11: Which formula represents universal gravitation?

A. F = ma B. F = G(m1*m2)/r^2 C. F = mv^2/r D. F = qE

Q12: Value of G on moon compared to Earth is:

A. Same B. Double C. One-fourth D. Zero

Q13: Gravitational force is attractive because:

A. It pulls masses toward each other B. It repels objects C. It doesn’t affect mass D. It has no direction

Q14: What type of quantity is gravitational force?

A. Scalar B. Vector C. Tensor D. None

Q15: Force due to gravity on a body is known as:

A. Weight B. Mass C. Momentum D. Thrust

Q16: Why is gravitational force considered weak?

A. Acts only at small scale B. Acts only in labs C. Has small constant value D. All of these

Q17: Gravitational force between two bodies increases if:

A. Mass decreases B. Distance increases C. Mass increases D. None

Q18: Gravitational force acts along the line joining:

A. Their centers B. Their surfaces C. Their axes D. None

Q19: Which constant appears in the universal law of gravitation?

A. Planck constant B. Boltzmann constant C. Gravitational constant D. Gas constant

Q20: If the mass of both objects is tripled, force becomes:

A. 3 times B. 6 times C. 9 times D. 1/3 times