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WorksheetsModule 3: Force and Newton's Laws Review
Total questions: 31
Worksheet time: 31mins
F=ma is Newton's ___ Law of Motion
1st
2nd
3rd
Gravitational
Forces acting on an object are said to be ___ when the net force is zero.
centripetal
unbalanced
accelerating
balanced
Air resistance acts in the ________ direction as that of an object in motion.
opposite
same
outside
inside
As two objects move closer together, the gravitational force between them _____.
increases
decreases
does not change
causes the object to repel
Which of the following will create the MOST amount of friction?
a smooth surface moving against a smooth surface
a rough surface moving against a rough surface
a smooth surface moving against a rough surface
Objects fall toward the Earth at a rate of 9.8 m/s/s because of ____.
air resistance
centripetal force
acceleration
gravity
In which direction is centripetal force?
toward the end of the line
toward the outer edge of the curve
toward the center of the circle
toward the outside of the circle
The SI units for measuring acceleration are ___.
grams
m/s2
newtons
millimeters
If gravity is the only force acting on an object, the object is said to be in _________.
free fall
zero force
balanced weight
static force
_____ is a long range force that exists between every object in the universe.
velocity
gravity
acceleration
inertia
For a golf ball to move, a ______ force must be applied.
centripetal
balanced
static
unbalanced
Find the weight of a 14 kg toy tractor on Earth.
W=mg
1.43 N
0.7 N
137.2 N
128.4 N
What is the net force acting on a 1992 kg airplane accelerating at 3 m/s2?
592 N
4928 N
664 N
5976 N
As two objects move farther apart, its gravitational force ___.
increases
decreases
does not change
causes the objects to repel
A combination of all forces acting on an object is ____.
net force
zero force
centripetal force
static force
To every action force, there is a ________ and opposite reaction force, which is Newton's third law of motion.
lesser
equal
nondetermined
unbalanced
_______ is the force that opposes motion between surfaces that touch each other.
acceleration
velocity
momentum
friction
For a book to stay at rest on a desk, the forces acting on the book are said to be _____.
opposite
unbalanced
reactive
balanced
What is the mass of the object that is accelerating at 2 m/s2 with a force of 519 N? F=ma
217.3 kg
1038 kg
259.5 kg
1139 kg
What is the net force on the box if Natalie is pushing east with 32 N of force and Payte is pushing back toward the west with 27 N of force?
5 N east
5 N west
59 N east
59 N west
What is the net force of the box if the child is scooting it to the left with 5 N of force and her dog comes to help push it in the same direction with 3 N of force?
2 N right
2 N left
8 N right
8 N left
What is the gravitational force exerted on a 50 kg object if its weight is 703 N? W=mg
35,150 m/s2
14.06 m/s2
14.49 m/s2
12, 319 m/s2
Newton's First Law of Motion is also known as ......
The Law of Gravity
The Law of Inertia
The Law of Force
The Law of Equal Reactions
The SI unit of force is the ______
kilogram
milliliter
Newton
meters per seconds squared
Which of the following examples will create the LEAST amount of friction?
a smooth surface moving against a smooth surface
a rough surface moving against a rough surface
a smooth surface moving against a rough surface
If an object's mass increases, the acceleration of the object will ____.
decrease
stay the same
increase
equal the mass
The gravity between two objects, regardless of their location, will never be ____.
greater than 1 N
equal
zero
friction
The term that refers to the tendency of an object to resist any change in motion is _____
acceleration
velocity
force
inertia
An object moves at a constant ______ unless acted upon by an ________ force
mass; inside
mass; outside
velocity; inside
velocity; outside
The laws describing how forces affect the motion were developed by ______.
Sir Isaac Newton
Isaac Norton
George Mendelev
Jane Goodall
If Joe is pushing on a refrigerator with 60 N of force and Henry is pulling on the refrigerator with 70 N of force, what is the net force being applied to the refrigerator?
130 N
10 N
zero
4200 N
