PHY 102 Exam 1 | Latest study | Actual Questions and
Answers | 2026 Updates | 100% correct
You would have the largest mass of gold if it weighed 1 N on the - ANSWER-Moon
A kilogram is a measure of an object's - ANSWER-Mass
Where is your weight greater: on Earth or on the Moon? How about your mass? - ANSWER-Your
weight is greater on Earth than on the Moon. Your mass is the same in both locations, or in any
location.
An object that has twice as much mass as another object also has twice as much - ANSWER-
inertia
measure of how much inertia an object has - ANSWER-mass
While a crate rests on a horizontal floor the friction force acting on the crate is - ANSWER-
between zero and the weight of the crate.
A stone is dropped off a cliff and is in free fall. Every second that the stone is falling, its
acceleration - ANSWER-is constant but its velocity is increasing
How would air resistance affect the travel time? - ANSWER-Air resistance would increase travel
time
The speed of a vertically-thrown ball at the top of its path is - ANSWER-zero
Science greatly advanced when Galileo favored - ANSWER-experiment
What is the acceleration of an object in free fall at Earth's surface? - ANSWER-9.8 m⋅s^2
You're driving in a car at 50 km/h and bump into a car ahead traveling at 48 km/h in the same
direction. The speed of impact is - ANSWER-2 km/h
A bucket of cement is raised by a rope at constant speed at a construction site. The upward
force on the bucket supplied by the rope is - ANSWER-equal to the force of gravity.
While in an airplane flying at 100 km/h you look down from the window and spot another
airplane flying at the same speed in the opposite direction. Relative to you, the speed of the
spotted plane is - ANSWER-200 km/h.
What did Galileo incorporate in his study of motion that Aristotle overlooked? - ANSWER-the
role of time
, The gain in speed each second for a freely falling object is about - ANSWER-10 m/s
When a falling object gains 10 m/s each second, its acceleration is - ANSWER-10 m/s^2
An object is at rest. The forces acting on the object _______. - ANSWER-are equal in magnitude
have a vector sum of zero
are opposite in direction
acceleration - ANSWER-speed/time
Nellie runs the length of a 100-yard football field in a time of 20 seconds. Her average running
speed is - ANSWER-5 yards/s.
The acceleration of a cart moving down an inclined plane (a ramp) - ANSWER-Constant
The equilibrium rule F = 0 applies to - ANSWER-objects or systems at rest.
objects or systems in uniform motion in a straight line.
When you stand at rest on a floor, the number of vertical forces acting on you is - ANSWER-two
On the surface of the Moon where acceleration due to gravity is less, a person's hang time
would be - ANSWER-longer
Your weight is - ANSWER-the gravitational attraction between you and Earth.
The vertical height attained by a basketball player who achieves a hang time of a full 1 s is about
- ANSWER-1.2 m
Compared with a 1-kg block of solid iron, a 2-kg block of solid iron has twice as much - ANSWER-
inertia.
volume.
mass.
When a skydiver of mass 100 kg experiences air resistance of 400 N, her acceleration is -
ANSWER-0.6g
first law - ANSWER-inertia
second law - ANSWER-acceleration
third law - ANSWER-action-reaction
The air resistance of falling is greatly affected by an object's frontal area and - ANSWER-speed
Answers | 2026 Updates | 100% correct
You would have the largest mass of gold if it weighed 1 N on the - ANSWER-Moon
A kilogram is a measure of an object's - ANSWER-Mass
Where is your weight greater: on Earth or on the Moon? How about your mass? - ANSWER-Your
weight is greater on Earth than on the Moon. Your mass is the same in both locations, or in any
location.
An object that has twice as much mass as another object also has twice as much - ANSWER-
inertia
measure of how much inertia an object has - ANSWER-mass
While a crate rests on a horizontal floor the friction force acting on the crate is - ANSWER-
between zero and the weight of the crate.
A stone is dropped off a cliff and is in free fall. Every second that the stone is falling, its
acceleration - ANSWER-is constant but its velocity is increasing
How would air resistance affect the travel time? - ANSWER-Air resistance would increase travel
time
The speed of a vertically-thrown ball at the top of its path is - ANSWER-zero
Science greatly advanced when Galileo favored - ANSWER-experiment
What is the acceleration of an object in free fall at Earth's surface? - ANSWER-9.8 m⋅s^2
You're driving in a car at 50 km/h and bump into a car ahead traveling at 48 km/h in the same
direction. The speed of impact is - ANSWER-2 km/h
A bucket of cement is raised by a rope at constant speed at a construction site. The upward
force on the bucket supplied by the rope is - ANSWER-equal to the force of gravity.
While in an airplane flying at 100 km/h you look down from the window and spot another
airplane flying at the same speed in the opposite direction. Relative to you, the speed of the
spotted plane is - ANSWER-200 km/h.
What did Galileo incorporate in his study of motion that Aristotle overlooked? - ANSWER-the
role of time
, The gain in speed each second for a freely falling object is about - ANSWER-10 m/s
When a falling object gains 10 m/s each second, its acceleration is - ANSWER-10 m/s^2
An object is at rest. The forces acting on the object _______. - ANSWER-are equal in magnitude
have a vector sum of zero
are opposite in direction
acceleration - ANSWER-speed/time
Nellie runs the length of a 100-yard football field in a time of 20 seconds. Her average running
speed is - ANSWER-5 yards/s.
The acceleration of a cart moving down an inclined plane (a ramp) - ANSWER-Constant
The equilibrium rule F = 0 applies to - ANSWER-objects or systems at rest.
objects or systems in uniform motion in a straight line.
When you stand at rest on a floor, the number of vertical forces acting on you is - ANSWER-two
On the surface of the Moon where acceleration due to gravity is less, a person's hang time
would be - ANSWER-longer
Your weight is - ANSWER-the gravitational attraction between you and Earth.
The vertical height attained by a basketball player who achieves a hang time of a full 1 s is about
- ANSWER-1.2 m
Compared with a 1-kg block of solid iron, a 2-kg block of solid iron has twice as much - ANSWER-
inertia.
volume.
mass.
When a skydiver of mass 100 kg experiences air resistance of 400 N, her acceleration is -
ANSWER-0.6g
first law - ANSWER-inertia
second law - ANSWER-acceleration
third law - ANSWER-action-reaction
The air resistance of falling is greatly affected by an object's frontal area and - ANSWER-speed
