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Physical Science - Chapter 6 Part 1
Test Description: Forces & Motion
Instructions: Answer all questions to get your test result.
1) Which of the following is NOT an example of projectile motion?
A
the path of a pitched baseball
B
the path of an arrow through the air
C
the path of a crate sliding along flat ground
D
the path of a leaping frog
2) If a tennis ball, a solid rubber ball, and a solid steel ball were dropped at the same time from the same height, which would hit the ground first? (Assume there is no air resistance.)
A
The tennis ball would hit first
B
The solid steel ball would hit first
C
The solid rubber ball would hit first
D
All would hit at the same time
3) Which of the following objects has the least acceleration?
A
a full shopping cart pushed with a light force
B
an empty shopping cart pushed with a light force
C
an empty shopping cart pushed with a hard force
D
a full shopping cart pushed with a hard force
4) When a moving bumper car collides with a bumper car at rest, which of the following occurs?
A
There is no transfer of momentum
B
Momentum is transferred to the car at rest
C
Momentum is transferred to the ground
D
Momentum is transferred to the moving car
5) A crumpled piece of paper hits the ground before a flat sheet of paper because
A
the acceleration of gravity is greater on the crumpled paper
B
there is more air resistance against the flat paper
C
the crumpled paper is more massive
D
the crumpled paper is less massive
6) Orbital motion is a combination of forward motion and...
A
free fall
B
weightlessness
C
frictional resistance
D
horizontal acceleration
7) A 5 kg object has less inertia than an object with a mass of
A
3kg
B
6kg
C
2 kg
D
4 kg.
8) According to Newton’s first law of motion, a object in motion that is not acted on by an unbalanced force will
A
accelerate
B
change its momentum
C
. eventually come to a stop
D
remain in motion
9) A cue ball rolls with a velocity of 1.0m/s east toward a stationary billiard ball. Both balls have identical masses. What happens to the total momentum after the two balls collide?
A
It is less than the original momentum of the cueball
B
It is greater than the original momentum of the cue ball
C
It is equal to the momentum before the collision
D
It is equal to zero
10) Why do astronauts in orbiting spacecraft appear weightless?
A
Nothing in space exerts a force of gravity on the astronauts.
B
The astronauts have no mass in space.
C
The astronauts are in free fall along with the spaceship.
D
The spaceship exerts equal force on an astronaut from all sides.
*select an answer for all questions
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