Physics 1 Semester 1 Practice Test Questions with Multiple Choice. Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 1. Speed is
a. a measure of how fast something is moving.
b. always measured in terms of a unit of distance divided by a uni...
Physics 1 Semester 1 Practice Test 2022-2023
Questions with Multiple Choice.
,Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 1. Speed is
a. a measure of how fast something is moving.
b. always measured in terms of a unit of distance divided by a unit of time.
c. the distance covered per unit time.
d. all of the above.
e. none of the above.
____ 2. One possible unit of speed is
a. miles per hour.
b. light years per century.
c. kilometers per hour.
d. all of the above.
e. none of the above.
____ 3. Acceleration is defined as the CHANGE in
a. time it takes to move from one place to another place.
b. velocity of an object.
c. distance divided by the time interval.
d. velocity divided by the time interval.
e. time it takes to move from one speed to another speed.
____ 4. A car starts from rest and after 7 seconds it is moving at 42 m/s. What is the car’s average
acceleration?
a. 0.17 m/s2
b. 1.67 m/s2
c. 6 m/s2
d. 7 m/s2
e. none of the above
____ 5. If you drop a feather and a coin at the same time in a tube filled with air, which will reach
the bottom of the tube first?
a. The feather
b. Neither—they will both reach the bottom at the same time.
c. The coin
____ 6. A ball tossed vertically upward rises, reaches its highest point, and then falls back to its
starting point. During this time the acceleration of the ball is always
a. in the direction of motion.
b. opposite its velocity.
c. directed downward.
d. directed upward.
____ 7. The hang time (time one's feet are off the ground in a jump) for most athletes is
a. less than 1 second.
b. considerably more than 1 second.
c. about 1 second.
d. slightly more than 1 second.
, ____ 8. Suppose you take a trip that covers 180 km and takes 3 hours to make. Your average
speed is
a. 30 km/h.
b. 60 km/h.
c. 180 km/h.
d. 360 km/h.
e. 540 km/h.
____ 9. When something falls to the ground, it accelerates. This acceleration is called the
acceleration due to gravity and is symbolized by the letter g. What is the value of g on Earth's
surface?
a. 0 m/s2
b. about 5 m/s2
c. about 10 m/s2
d. about 20 m/s2
e. about 50 m/s2
____ 10. If a ball were equipped with a speedometer and allowed to fall freely on a planet where
the acceleration due to gravity is 23 m/s2, the reading on the speedometer would increase each
second by
a. a rate that depends on its initial speed.
b. 10 m/s.
c. 12 m/s.
d. 23 m/s.
e. 46 m/s.
____ 11. If a projectile is fired straight up at a speed of 30 m/s, the total time to return to its
starting point is about
a. 3 second.
b. 6 seconds.
c. 30 seconds.
d. 60 seconds.
e. not enough information to estimate.
____ 12. A vector is a quantity that has
a. magnitude and time.
b. time and direction.
c. magnitude and direction.
____ 13. The horizontal component of a projectile's velocity is independent of
a. the range of the projectile.
b. time.
c. the vertical component of its velocity.
____ 14. In the absence of air friction, the vertical component of a projectile's velocity doesn't
change as the projectile moves.
a. Always false
b. Always true
c. Sometimes true
____ 15. In the absence of air friction, the horizontal component of a projectile's velocity doesn't
change as the projectile moves.
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