Standard 10 Question Preview (ID: 4326)


Newton's 1st Law. TEACHERS: click here for quick copy question ID numbers.

Which is true?
a) Inertia and gravity keep the planets in orbit.
b) Rotation and revolution keep the planets in orbit.
c)
d)

Which is true?
a) Rotation causes seasons.
b) Rotation causes day and night.
c)
d)

Which is true?
a) Astrology is fortune-telling.
b) Astronomy is fortune telling.
c)
d)

Who concluded that inertia and gravity act together to keep Earth in orbit around the sun.
a) Newton
b) the ancient Greek
c) all of the above
d) Copernicus

summer
a) summer
b) fall
c) spring
d) winter

winter
a) winter
b) spring
c) fall
d) summer

Earth's gravity keeps the moon from moving in a straight line. The moon’s ______ keeps the moon moving ahead.
a) phase
b) rotation
c) inertia
d) gravity

If inertia makes the Earth move straight forward, then what force keeps it from going in a straight path?
a) Gravity
b) Tilt
c) None of the above
d) Inertia

He concluded that two factors—inertia and gravity combine to keep Earth in orbit around the sun.
a) He concluded that two factors inertia and gravity—combine to keep Earth in orbit around the sun.
b) He concluded that two factors—rotation and revolution—combine to keep Earth in orbit around the sun.
c)
d)

Which is true about Newton?
a) He discovered that inertia and gravity act together to keep Earth in orbit around the sun.
b) Newton said that the sun was in the center of the solar system.
c) none of the above
d) He concluded that two factors—rotation and revolution—combine to keep Earth in orbit around the sun.

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