ASTRO 1 EXAM 1 PSU PRACTICE TEST 2026
TESTED 50 QUESTIONS WITH 100%
CORRECT ANSWERS GRADED A+
⩥ Newton's second law of motion. Answer: The acceleration of a body
due to a force will be in the same direction as the force, with a
magnitude inversely proportional to its mass
⩥ Newton's third law of motion. Answer: for every action, there is an
equal and opposite reaction
⩥ force equation. Answer: force = mass * acceleration
⩥ The force of gravity by the sun keeps the planets in orbit around it, but
how do the planets affect the sun?. Answer: they exert an equally strong
pull on the sun, causing it to move slightly
⩥ If i apply exactly the same amount of force to a pebble and a boulder
what will happen?. Answer: the pebble will move faster
⩥ weight formula. Answer: weight = mass x gravity
⩥ how high are you jumping at 2x earth's mass?. Answer: half as high
, ⩥ since the jump height is half as high what does that tell us about the
gravity?. Answer: gravity is twice as much
⩥ gravity equation. Answer: gravity = m/r^2
⩥ what causes seasons. Answer: the planet's tilt with respect to plane in
which they orbit the sun
⩥ equinox. Answer: 12 hours of day, 12 hours of night
⩥ What day do the equinoxes fall on and what months. Answer: the 21st
of September and March
⩥ solstice. Answer: longest and shortest days of the year
⩥ day and month each solstice falls on. Answer: December 21st, June
21st
⩥ two moons of mars. Answer: Phobos and deimos
⩥ solar eclipse. Answer: Occurs during moon's 'new' phase when moon
lies in direct line between sun and earth
TESTED 50 QUESTIONS WITH 100%
CORRECT ANSWERS GRADED A+
⩥ Newton's second law of motion. Answer: The acceleration of a body
due to a force will be in the same direction as the force, with a
magnitude inversely proportional to its mass
⩥ Newton's third law of motion. Answer: for every action, there is an
equal and opposite reaction
⩥ force equation. Answer: force = mass * acceleration
⩥ The force of gravity by the sun keeps the planets in orbit around it, but
how do the planets affect the sun?. Answer: they exert an equally strong
pull on the sun, causing it to move slightly
⩥ If i apply exactly the same amount of force to a pebble and a boulder
what will happen?. Answer: the pebble will move faster
⩥ weight formula. Answer: weight = mass x gravity
⩥ how high are you jumping at 2x earth's mass?. Answer: half as high
, ⩥ since the jump height is half as high what does that tell us about the
gravity?. Answer: gravity is twice as much
⩥ gravity equation. Answer: gravity = m/r^2
⩥ what causes seasons. Answer: the planet's tilt with respect to plane in
which they orbit the sun
⩥ equinox. Answer: 12 hours of day, 12 hours of night
⩥ What day do the equinoxes fall on and what months. Answer: the 21st
of September and March
⩥ solstice. Answer: longest and shortest days of the year
⩥ day and month each solstice falls on. Answer: December 21st, June
21st
⩥ two moons of mars. Answer: Phobos and deimos
⩥ solar eclipse. Answer: Occurs during moon's 'new' phase when moon
lies in direct line between sun and earth
