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ADV 8th Benchmark Review 1-d
Test Description: Review Game for Physical Science Fall Benchmark
Instructions: Answer all questions to get your test result.
1) When a rocket is launched, the downward motion of the exhaust gases produces a reaction force in which direction?
A
upward
B
circular around the nozzle
C
downward
D
sideways
2) The combination of all forces acting on an object is called the
A
overall force.
B
unbalanced force.
C
net force.
D
balanced force.
3) As a car stops suddenly, your body continues to move forward. This is an example of
A
Newton's first law.
B
Newton's second law.
C
friction.
D
Newton's third law.
4) When the net force on an object equals zero, the forces are
A
acting in the same direction.
B
unbalanced.
C
balanced.
D
acting perpendicular to each other.
5) Newton's second law states that net force divided by mass equals
A
gravity.
B
velocity.
C
inertia.
D
acceleration.
6) Which of Newton's laws describes why roller skaters accelerate in opposite directions when they push off of each other.
A
second law of motion
B
third law of motion
C
first law of motion
D
law of universal gravitation
7) Which of these surfaces has the least amount of friction?
A
ice
B
wood
C
sand
D
metal
8) Calculate the acceleration of an object with a mass of 10 kg acted upon by a net force of 20 N.
A
200 m/s^2
B
30 m/s^2
C
2.0 m/s^2
D
0.5 m/s^2
9) When two objects collide in the absence of friction,
A
the total momentum stays the same.
B
both objects lose momentum.
C
one object always gains momentum.
D
the total momentum changes.
10) When a golf ball and a baseball are dropped from a meter above the floor, the
A
object with the greatest mass will hit first.
B
golf ball and baseball will hit at the same time.
C
baseball will hit first.
D
golf ball will hit first.
*select an answer for all questions
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