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WorksheetsFall Semester Exam Review Physics
Total questions: 94
Worksheet time: 2hrs 13mins
Newton's first law is also called the:
law of inertia
law of mass
f = ma law
law of forward momentum
What force causes downward acceleration?
applied force
normal force
friction force
gravity force
Which formula would you use to find the acceleration of a bike rider with a mass of 50kg who pushes off with a force of 25 Newtons.
f = ma
a = f *m
m = f * a
What is the answer for the acceleration of a bike rider with a mass of 50kg who pushes off with a force of 25 Newtons.
100 m/s2
2 m/s2
0.5 m/s2
0.125 m/s2
What is the net force?
800 N
600 N
400 N
400 N down
What is the SI unit of force?
Joules
kilograms
Newtons
Isaac
What does stationary mean?
moving
not moving
If an object is stationary, how can you measure its inertia?
force
gravity
mass
density
What type of friction acts between your bike tires and the ground as you ride?
fluid friction
static friction
sliding friction
rolling friction
Two objects collide. Which of the following is true according to Newton's THIRD law?
the force on each is equal in magnitude and the same direction
the force on each is equal in magnitude and opposite in direction
the more massive one has a bigger reaction
the more massive one has more inertia
Which of the following has the most inertia?
a semi truck
an SUV
a person
a grasshopper
Which of the following has the least inertia?
a semi truck
an SUV
a person
a grasshopper
Your foot pushes on the floor as you walk, and the floor pushes back. This is an example of:
Newton's first law
Newton's second law
Newton's third law
Newton's fourth law
When forces are acting in the OPPOSITE direction, you ____ them to find the net force
add
subtract
multiply
divide
If you increase the force you use to roll a bowling ball, so it accelerates faster. This is an example of:
Newton's first law
Newton's second law
Newton's third law
Newton's fourth law
This is measured in Newtons
mass
weight
both
neither
The ______ is a combination of all the forces acting on an object.
net force
Soell force
negative force
air force
Maggie is taking her dog Nalu for a walk. Nalu pulls on the leash with a force of 15 N to the left and Maggie pulls back on the leash with a force of 10 N to the right. What is the net force?
25 N
5 N
150 N
1000 N
A (n) ______ force will cause motion to occur.
balanced
unbalanced
_____ is an object's resistance to a change in its motion.
gravity
force
inertia
A Newton
Newton's ___ law states that an object's acceleration depends on its mass and the net force acting upon it.
1st
2nd
3rd
4th
Lily throws a football that has a mass of 2 kg and the football's acceleration is 5 m/s/s. What is the force that Lily threw the football at?
10 N
100 N
1,000 N
10, 000 N
What happens to an object when the forces on it are balanced?
The object accelerates
The object doesn't move or stays at its constant speed.
The objects changes direction
Why does the skydiver fall slowly?
The force of drag opposes gravity.
The force of drag is stronger than gravity.
The force of gravity is equal to force of drag.
What happens if the player on the right has more force than the player on the left?
They will move to the right (→)
They will move to the left (←)
The will not move.
True...at 1s the velocity is 4 m/s
True...at 2s the velocity is 8 m/s
True...the velocity is constant.
True... This graph shows increasing velocity.
The Green line is faster than the red line
The Blue line shows constant speed.
The Red line shows decreasing speed.
What is the NET FORCE of this diagram?
17 N, right
17 N, left
23 N, right
12 N, up
This object would be moving (pick all that are correct):
up
down
left
right
What forces are on a leopard laying on a log?
Fg & Fapp
Fb & Fg
Fg & FN
Ff & FN
What is the difference between speed and velocity?
speed is a change in velocity
speed is velocity with a direction
speed is no change in velocity
velocity is speed with a direction
The momentum of an object depends upon the object's ___________&_____________.
size and shape
mass and inertia
mass and veloctiy
mass and energy
How close a measurement is to the accepted value is called..
Accuracy
Precision
Significant
Estimate
How many sig figs are found in 2000 miles?
1
2
3
4
direction
What is the average velocity of the object between 0 and 10 seconds?
6.0 m/s
1.5 m/s
-4 m/s
0 m/s
A car going 50mph accelerates to pass a truck. Five seconds later the car is going 80mph. Calculate the acceleration of the car
6
500
16
10
Which angle causes the projectile to go the greatest distance?
45⁰
15⁰
60⁰
75⁰
Which angle causes the projectile to go the shortest distance? (pick 2 answers)
45⁰
15⁰
60⁰
75⁰
Tension stores potential energy by
Being in a state of stretch ready to release
Being in a twisted state ready to release
Humans stretching elastic bands
Using gravity to bring projectiles back to earth
Theory or Law? Tectonic ________ of Geology: the surface of the earth is made of tectonic plates, which move slowly. Explains why mountains are formed, earthquakes happen, etc.
Theory
Law
Which description defines the variable in a scientific experiment?
a set of possible outcomes for an experiment
any factor that can change in a controlled experiment
a question being explored by an investigation
a range of values for a particular quantity in an experiment
The findings of an experiment are generally not accepted by the scientific community if the results are not...
able to be published in an important journal
able to be replicated by other scientists
proven by the scientist conducting the experiment
highlighted in the newspaper
Newton's 2nd Law of Motion states that the force acting upon an object is equal to the product of the object's mass and acceleration (F=ma). Which statement correctly explains why this is a law?
Laws are descriptions of how nature works, and theories are explanations of why a natural process happens.
Scientific theories that are not proven are accepted as laws.
Scientific laws are proven by experimentation and approved by scientists.
Theories are a descriptions of how nature works, and laws are explanations of why a natural process happens.
How close a measurement is to the accepted value is called..
Accuracy
Precision
Significant
Estimate
