WorksheetsTest 9 Review
Total questions: 28
Worksheet time: 23mins
____________ is the tendency of an object to resist a change in its motion.
Friction
Acceleration
Net force
Inertia
__________________________ is when a charge difference is created on an object.
Conduction
Grounding
Polarization
Friction
A 50 kg person is riding a bike along a straight path and pedaling with 20 N force forward while encountering 20 N of friction/air resistance. Which statement describes the state of the person?
The rider is static equilibrium
The rider is not in equilibrium
The rider is in dynamic equilibrium
None of the above answers are true
Through the circuits lab, we learned that the loads in a parallel circuit share the same ____________.
resistance
current
voltage
electricity
While sitting in the back seat of a car at a stoplight, the driver pushed the gas pedal to the maximum and the car started to accelerate. Which law explains why you feel your back being pushed backwards into the seat?
Newton's 1st Law of Motion
Newton's 2nd Law of Motion
Newton's 3rd Law of Motion
Law of Universal Gravitation
Which object has the most inertia?
A tennis ball moving at 20 mph.
A full garbage truck moving at 5 mph.
A motorcycle moving at 80 mph.
A snowflake falling at 2 mph.
If two helium balloons tied to strings
are floating near each other, but not
touching each other due to a static
charge on each balloon. What is
possible charge types on the balloons?
I. Both negatively charged
II. Both positively charged
III. One negative and one positive
charge.
I only
III only
I and II only
I and III only
I, II, and III
A ball is thrown across a small field. When the ball is in the air, are the forces balanced or unbalanced?
The forces are balanced
The forces are unbalanced
There is not enough information to answer
Through the circuits lab, we learned that the loads in a ___________ circuit share the same current.
alternating
direct
series
parallel
Which unit is the correct unit that matches a N۰m?
Joule
kg s3m2
N/s
Watt
Select all in which work is happening:
Carrying your backpack to school
Lifting your backpack
Holding your backpack
Pulling your backpack along the floor
According to Ohm's Law, current is ____________ proportional to voltage and ______________ proportional to resistance.
directly, directly
directly, inversely
inversely, directly
inversely, inversely
What is the electric potential difference between two points?
Electric current
Resistance
Power
Voltage
When the switch is ________ there is a gap between
the conductors and current cannot flow
open
closed
A box is pushed to the right at a constant velocity of 0.72 m/s, which of the following is true?
The box is in static equilibrium
The box is in dynamic equilibrium
The box is not in equilibrium but does have balanced forces
The box is not in equilibrium and does not have balanced forces
According to the Law of _____________________________, energy cannot be created nor destroyed, only transferred between forms and objects.
Conservation of Charge
Conservation of Force
Conservation of Energy
Universal Gravitation
Electric Charge
A circuit with __________ current has charges that continually go in one direction.
series
parallel
alternating
direct
Which of the following are added to a circuit purposefully to limit the current in order to protect other parts of the circuit?
switch
battery
wire
resistor
Rank the gravitational potential energy of the ball from greatest to least.
A, B, C, D
C, D, B, A
A, C, D, B
B, D, C, A
A circuit in which all of the loads are along a single pathway is a _____________ circuit.
series
parallel
DC
AC
There are two metal spheres in a room. Sphere A is negatively charged and Sphere B is neutrally charged. Sphere A is brought near Sphere B, Sphere B is then grounded on the far side and the two spheres are brought further apart.
What charging method was used to charge Sphere B in this example, and what was the charge of Sphere B after the charging was complete?
Conduction; negatively charged
Conduction; positively charged
Induction; negatively charged
Induction; positively charged
According to the law of electric charge, a negatively charged object is repelled by a _______________ charged object.
negatively
positively
If I push to the left against a wall, what is the reaction force and in what direction does it act?
Reaction Force: me pushing against the wall
Direction: right
Reaction Force: the wall pushing back on me
Direction: left
Reaction Force: me pushing back on the wall
Direction: left
Reaction Force: the wall pushing back on me
Direction: right
A __________________ is used to see the motion of an object.
reference point
motion object
motion
speed
What will cause an object to accelerate?
Applied forces
Balanced forces
Unbalanced forces
What does the term displacement mean?
The direction of motion
The distance traveled divided by time
The change of position of an object
What is this symbol used to represent?
light bulb
switch
battery
resistor
