WorksheetsSnow Day Physics Review
Total questions: 99
Worksheet time: 2hrs 10mins
An object in motion tends to stay in motion and an object at rest tends to stay at rest until acted on by an unbalanced force is which of Newton's laws?
1st
2nd
3rd
4th
The acceleration of an object is dependent upon the net force acting upon the object and the mass of the object is which of Newton's laws?
1st
2nd
3rd
4th
For every action there is an equal and opposite reaction is which of Newton's laws?
1st
2nd
3rd
4th
What is defined a push or pull?
force
net force
an unbalanced force
a balanced force
What is the term for when two forces are acting in opposite directions on an object and are equal in size and the object stays still
net force
balanced force
accelerated force
unbalanced force
Forces that cause a change in motion of an object are called
balanced forces
net forces
motion forces
unbalanced forces
Calculate the net force
5
10
15
0
Calculate the net force
20
10
0
30
Calculate the net force
25
65
20
15
What is the net force?
400
800
200
600
If you are pushing a 1200 kg car with an acceleration of 0.5 m/s2 , what is the force you have applied to the car?
600
2400
4.16
60
calculate the force applied to a 5 kg shopping cart if it accelerates at 3 m/s2
15
1.67
0.6
1.57
If you INCREASE the force applied to a 50 kg crate, what happens to the ACCELERATION of the crate
acceleration increases
acceleration decreases
force increases
this cannot be determined
If you have a 500 kg motorcycle and you INCREASE the acceleration for 20 m/s2 to 40 m/s2, describe how you had to change the force applied to the motorcycle
had to increase the force
had to decrease the force
had to increase the acceleration
had to decrease the acceleration
the sum of all forces acting on an object is called the
net force
balanced force
motion force
accelerated force
The box exerts a downward force on the table, and the table exerts an equal and opposite upward force on the box.
Which best describes the net force acting on the box while the box remains at rest on the table
balanced
unbalanced
motionless
activated
Based on Newton's 2nd Law of Motion, which statement is true about the acceleration of wagon A and wagon B if both are being pulled with the same external force
wagon A will have a greater acceleration than wagon B
wagon B will have a greater acceleration than wagon A
wagon A and B will have the same accelerations
the wagons will both have and acceleration of zero
What can be said of friction?
it works against you as you are trying to move an object
it works with you as you are trying to move an object
it lifts up an object as you are trying to move it
it is never noticeable as you try to move an object
Based on Newton's 2nd Law of Motion, which statement is true about the force of the wagon with the kids if the mass of kids is identical but wagon A is moving TWICE the speed because it has more people pushing than that of wagon B
wagon A will have a greater force
wagon B will have a greater force
the force will be the same for both wagons
the force will be zero for both wagons
Calculate the impulse on the ball.
When you eat fruits and vegetables, chemical bonds are releasing stored energy, this is...
a. thermal energy
b. sound energy
c. electrical energy
d. chemical energy
The ability to do work
A. chemical energy
B. Friction
C. electrical energy
D. Energy
A student is holding the end of a pendulum. The student releases the pendulum. What energy transfers are taking place?
potential energy is transferred to kinetic energy
chemical energy to thermal energy
mechanical energy to chemical energy
kinetic energy is tranferred to potential energy
Which of the following is an example of projectile motion?
A baseball being pitched to a catcher.
a feather falling in a vacuum
a car driving up a mountain
a book laying on a desk

According to Coulomb's Law, when the distance increases, the electrostatic force ____________.
increases
decreases
remains unchanged
has no relationship to distance
The Coulomb is the unit for:
Charge
Force
Distance
Mass
What happens to the force between two charged objects when you double the distance between them?
it doubles
it is cut in half
it quadruples
it is cut by 1/4
If one of the charges doubles, what happens to the force?
it doubles
it gets cut in half
it quadruples
it is cut by 1/4
What is the unit for electrostatic charge?
Coulombs
Newtons
Meters
Joules
Coulomb’s law states that the force between two charged objects will __________ when the magnitude (value) of the object’s charge increases.
increase
decrease
stay the same
first increase, then decrease
What would a negative value for Fe mean?
The particles are moving away from each other
The particles have the same charge
The particles have opposite charges
The particles are moving towards each other
Select all answer that apply:
What kinds of particles do Coulomb's Law apply to?
electrons
protons
neutrons
neutral atoms
A repulsive force exists between which two particles?
Two neutrons
An electron and a neutron
An electron and a proton
Two protons
The variable "r" in Coulomb's Law would have what units?
Joules
Coulombs
Newtons
Meters
Which is the value of the constant in Coulomb's equation?
ke = 9·10-9
ke = 9.8
ke = 6.67·10-11
ke = 9 ·109
What does "r" measure?
the distance between the two charged objects
the amount of charge carried by the objects
the amount of force between two charged objects
the constant value for forces between the objects
What does Fe stand for?
the electrostatic force
the symbol for iron
the constant for the charges
the charges of the particles
What will be the units of F (or Fe)?
Newtons
Meters
Coulombs
Joules
As the value of r increases, what happens to the value of F?
F increases
F decreases
F never changes, q does
Cannot know from the information
What does q measure?
the distance between the two charged objects
the amount of charge carried by the object
the amount of force between two charged objects
Why are there two q's in the equation?
because there are two charged objects
because there are protons and electrons
because the particles are moving away from each other
because the particles are moving towards each other
What can you do to increase the value of k?
change the force
change the distance
change the charge
nothing can be done to change the value of k; it is a constant
An attractive force exists between which two particles?
Two neutrons
An electron and a neutron
An electron and a proton
Two electrons
Coulomb's Law is __________ proportional.
directly
inversely
polymetrically
exponentially
