Gravitational Force — Part 2 MCQs with Explanations

Isaac Newton is the correct answer to “The Law of Gravitation was given by . . . . . . . .”. This question is standard in competitive examination syllabi for Gravitational Force.

It helps in rotation of black hole is the correct answer to “Which of the following is not an example of gravity”. This question is standard in competitive examination syllabi for Gravitational Force.

It is same for all pairs of bodies in our universe is the correct answer to “Which one of the following statement about gravitational force is not correct”. This question is standard in competitive examination syllabi for Gravitational Force.

9 ms-1 is the correct answer to “A car falls from an inclined section, and falls to the ground in 0.9 seconds. (Suppose g = 10m/s 2 ) What is its speed while hitting the ground”. This question is standard in competitive examination syllabi for Gravitational Force.

60 kg is the correct answer to “If the mass of a person is 60 kg on the surface of earth then the same person's mass on the surface of the moon will be:”. This question is standard in competitive examination syllabi for Gravitational Force.

14.3 kg is the correct answer to “If your weight 38 kg on Earth, what will be your weight on the planet Mercury”. This question is standard in competitive examination syllabi for Gravitational Force.

Its weight will change is the correct answer to “What will be the effect on the rock brought from the lunar surface”. This question is standard in competitive examination syllabi for Gravitational Force.

4F is the correct answer to “Suppose the force of gravitation between two bodies of equal masses is F. If each mass is doubled keeping the distance of separation between them unchanged, then the force would become”. This question is standard in competitive examination syllabi for Gravitational Force.

The force with which earth attracts towards its centre is the correct answer to “What is weight”. This question is standard in competitive examination syllabi for Gravitational Force.

98N is the correct answer to “The mass of an object is 10 kg. What will be its weight on Earth? (g = 9.8 ms -2 )”. This question is standard in competitive examination syllabi for Gravitational Force.

their distance is the correct answer to “Every object in the universe attracts another object with a force, which is inversely proportional to the square of . . . . . . . .”. This question is standard in competitive examination syllabi for Gravitational Force.

$$\frac{{GM}}{{{R^2}}}$$ is the correct answer to “Acceleration due to gravity g = . . . . . . . .”. This question is standard in competitive examination syllabi for Gravitational Force.

will increase linearly with h is the correct answer to “What will be the ratio of acceleration due to gravity at a depth 'h' below the surface of the earth and a height 'h' above the surface of earth where, R e is the radius of the earth, h << R e -”. This question is standard in competitive examination syllabi for Gravitational Force.

8 ms-1 is the correct answer to “A car falls from the bridge to the ground in 0.8 seconds. What will be its speed at the time of hitting the ground? given (g) = 10ms -2”. This question is standard in competitive examination syllabi for Gravitational Force.

Only statements 2 and 4 are true is the correct answer to “Which of the following statements is true? 1. The value of 'g' on Mount Everest is > g 2. The value of 'g' on Mount Everest is < g. 3. After 15 seconds a ball is thrown vertically and returns to the ground. Its velocity is 75 m/s. 4. A ball is returned to the ground after 15 seconds when thrown vertically. Its velocity is 150 m/s.”. This question is standard in competitive examination syllabi for Gravitational Force.

decreases is the correct answer to “If the distance between two particles increases, what is the effect on the force of gravitational between them”. This question is standard in competitive examination syllabi for Gravitational Force.

19.6 m is the correct answer to “The distance travelled in 2s independently of a body falling freely will be . . . . . . . .”. This question is standard in competitive examination syllabi for Gravitational Force.

1, 3 and 4 is the correct answer to “Consider the following statements. The acceleration due to earth's gravity decreases if 1. we go up from the surface of the earth. 2. we go from the equator towards the pole. 3. the rotation speed of the earth is increased. 4. we go down from the surface of the earth towards its centre. Which of these statements are correct”. This question is standard in competitive examination syllabi for Gravitational Force.

Both eggs will break is the correct answer to “When two eggs are dropped from a certain height in such a way that one egg falls on the floor and the other on the pillow, which of the following will not be a possible outcome”. This question is standard in competitive examination syllabi for Gravitational Force.

3 is the correct answer to “The minimum number of geo-stationary satellites needed for uninterrupted global coverage”. This question is standard in competitive examination syllabi for Gravitational Force.

11200 m/s is the correct answer to “What is the escape velocity for the Earth”. This question is standard in competitive examination syllabi for Gravitational Force.

3g is the correct answer to “Suppose a planet whose mass and radius is one-third of the mass and radius of the Earth. If the value of acceleration due to gravity on Earth is g, then its value on the planet will be . . . . . . . .”. This question is standard in competitive examination syllabi for Gravitational Force.

When the elevator going upward expeditiously is the correct answer to “If a person sitting in a lift, then when will he feel that his weight gets increased”. This question is standard in competitive examination syllabi for Gravitational Force.

24 hours is the correct answer to “How long does a geostationary satellite take to complete the revolution of an orbit at 35786 km altitude-”. This question is standard in competitive examination syllabi for Gravitational Force.

gravitational force is the correct answer to “Which of the following among is a weak force”. This question is standard in competitive examination syllabi for Gravitational Force.

>980 cm/s2 is the correct answer to “The acceleration due to gravity of a destructive Earthquake will be”. This question is standard in competitive examination syllabi for Gravitational Force.

There is a force on the ball opposing the motion is the correct answer to “A batsman hits a cricket ball which then rolls on a level ground. After covering a short distance, the ball comes to rest. The ball slows to a stop because”. This question is standard in competitive examination syllabi for Gravitational Force.

does not require any energy for orbiting is the correct answer to “A satellite in vacuum”. This question is standard in competitive examination syllabi for Gravitational Force.

They must be dropped in vacuum is the correct answer to “A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions, do both reach the surface Simultaneously”. This question is standard in competitive examination syllabi for Gravitational Force.

force will be nine times is the correct answer to “If the mass of two objects is tripled then the force between the two objects will be:”. This question is standard in competitive examination syllabi for Gravitational Force.

$$\frac{1}{{\sin \theta }}\sqrt {\frac{{2h}}{g}} $$ is the correct answer to “A smooth plane inclined at an angle θ with the horizontal as shown in the given figure. A body starts from rest and slides down on the inclined surface. The time taken by the body to reach the bottom is”. This question is standard in competitive examination syllabi for Gravitational Force.

at the center of the earth is the correct answer to “At which of the following places is the gravitational acceleration zero”. This question is standard in competitive examination syllabi for Gravitational Force.

The orbital velocity depends on the mass of the satellite is the correct answer to “Which one of the following statements regarding artificial satellite of the earth is incorrect”. This question is standard in competitive examination syllabi for Gravitational Force.

inversely proportional to the r2 is the correct answer to “Gravitational field intensity is”. This question is standard in competitive examination syllabi for Gravitational Force.

Orbital motion is the correct answer to “Why is weightlessness experienced while orbiting the earth in space ships”. This question is standard in competitive examination syllabi for Gravitational Force.

Kepler's laws is the correct answer to “The laws which govern the motion of planets are called”. This question is standard in competitive examination syllabi for Gravitational Force.

Henry Cavendish is the correct answer to “Who was the first to experimentally determine the value of the Universal Gravitational Constant (G)”. This question is standard in competitive examination syllabi for Gravitational Force.

Only 4 is the correct answer to “Which of the following statements is/are false? 1. The value of G is the same as its value on the moon, on Earth. 2. The gravitational force between the centers of two masses of 2 kg placed at a distance of 1m is 26.68 × 10 -11 Nm 2 /kg 2 . 3. The force is inversely proportional to the square of the distance between the two objects. 4. The force of gravity between two objects doubles when the distance between them is halved.”. This question is standard in competitive examination syllabi for Gravitational Force.

Newton is the correct answer to “Who propounded the universal law of gravitation”. This question is standard in competitive examination syllabi for Gravitational Force.

100 kg is the correct answer to “The mass of a body on the Earth is 100 kg (acceleration due to gravity, g e = 10 m/s 2 ). If acceleration due to gravity on the Moon is (g e = 10 6 m/s 2 ), then the mass of the body on the Moon is”. This question is standard in competitive examination syllabi for Gravitational Force.