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- 1. Multiple ChoiceForce of gravity is directly proportional toMassWeightDistanceTime
- 2. Multiple Choice
Force of gravity is inversely proportional to
Mass
Weight
Square of the distance
Time
- 3. Multiple ChoiceWhich of the following is Newton's Law on Gravitation?F=Gm1m2/rF = Gm1m2/r2F = Gm1m2/2rF = m1m2/2r
- 4. Multiple Choice
The value of Universal Gravitational constant is
6.673X10-11 Nm-2kg2
6.673X10-11 Nm2kg2
6.673X10-11 Nm2 kg-2
6.673 x10-11 N m-2 kg-2
- 5. Multiple Choice
According to Newton's law of gravitation, the Earth and the Moon are gravitationally attracted to each other. The more massive Earth attracts the Moon with...
a stronger force than the Moon attracts the Earth.
a weaker force than the Moon attracts the Earth.
the same force as the Moon attracts the Earth.
a force that is sometimes stronger and other times weaker than the Moon attracts the Earth.
- 6. Multiple ChoiceThe balloon in this picture will be demonstrating which of Newton's Laws?InertiaF = maFourth LawAction-Reaction
- 7. Multiple ChoiceInertia is....for every action, there is an equal and opposite reactionlarger objects take more force to movean object in motion tends to stay in motion unless acted on by an opposite forcea push that acts in the opposite direction and it slows down.
- 8. Multiple ChoiceA 20 kg bike accelerates at 10 m/s2. what was the force?25 Newtons20 Newtons200 Newtons10 Newtons
- 9. Multiple ChoiceIt takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describesNewton's first law, the law of inertiaNewton's second law, the law of accelerationNewton's third law, the law of action reactionThe law of universal gravitation
- 10. Multiple Choice
Which graph could represent a car moving at a constant speed in a forward direction?
- 11. Multiple Choice
Name the force that causes acceleration of an object moving along a circle and keeps the body moving.
centripetal force
centrifugal force
repulsive force
attractive force
- 12. Multiple Choice
For a given force acceleration is inversely proportional to the mass of an object.
A. The above statement is correct because F=ma
B.The statement is not correct because the value of g is constant.
option A is wrong
both option A and B are wrong because the reasons given are wrong
only option A is correct
both A and B are correct.
- 13. Multiple Choice
Which of the following Laws of Kepler did Newton use to calculate the force of attraction?
Sun is situated at the centre of the orbit
The orbit of the planet is ellipse
The cube pf the mean distance of a planet from the sun is proportional to the square of its orbital period.
The line joining the planet and the sun sweeps equal areas in equal interval of time.
- 14. Multiple Choice
The SI unit of G
Ncm²/kg²
Nm²kg²
Nm²/kg²
Nkg/m²
- 15. Multiple Choice
Newton said that any two masses will...
combine into a larger mass.
attract each other.
create gravitational fields.
push each other apart.
- Answer choicesTagsAnswer choicesTags