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Test 9 Review

Total questions: 28

Worksheet time: 23mins

Name
Class
Date
1.

____________ is the tendency of an object to resist a change in its motion.

a)

Friction

b)

Acceleration

c)

Net force

d)

Inertia

2.

__________________________ is when a charge difference is created on an object.

a)

Conduction

b)

Grounding

c)

Polarization

d)

Friction

3.

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?

a)

The rider is static equilibrium

b)

The rider is not in equilibrium

c)

The rider is in dynamic equilibrium

d)

None of the above answers are true

4.

Through the circuits lab, we learned that the loads in a parallel circuit share the same ____________.

a)

resistance

b)

current

c)

voltage

d)

electricity

5.

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?

a)

Newton's 1st Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newton's 3rd Law of Motion

d)

Law of Universal Gravitation

6.

Which object has the most inertia?

a)

A tennis ball moving at 20 mph.

b)

A full garbage truck moving at 5 mph.

c)

A motorcycle moving at 80 mph.

d)

A snowflake falling at 2 mph.

7.

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.

a)

I only

b)

III only

c)

I and II only

d)

I and III only

e)

I, II, and III

8.

A ball is thrown across a small field. When the ball is in the air, are the forces balanced or unbalanced?

a)

The forces are balanced

b)

The forces are unbalanced

c)

There is not enough information to answer

9.

Through the circuits lab, we learned that the loads in a ___________ circuit share the same current.

a)

alternating

b)

direct

c)

series

d)

parallel

10.

Which unit is the correct unit that matches a N۰m?

a)

Joule

b)

kg m2s3kg\ \frac{m^2}{s^3}

c)

N/s

d)

Watt

11.

Select all in which work is happening:

a)

Carrying your backpack to school

b)

Lifting your backpack

c)

Holding your backpack

d)

Pulling your backpack along the floor

12.

According to Ohm's Law, current is ____________ proportional to voltage and ______________ proportional to resistance.

a)

directly, directly

b)

directly, inversely

c)

inversely, directly

d)

inversely, inversely

13.

What is the electric potential difference between two points?

a)

Electric current

b)

Resistance

c)

Power

d)

Voltage

14.
Acceleration occurs when an object changes its speed or ______.
a)
direction
b)
force
c)
inertia
d)
mass
15.

When the switch is ________ there is a gap between

the conductors and current cannot flow

a)

open

b)

closed

16.

A box is pushed to the right at a constant velocity of 0.72 m/s, which of the following is true?

a)

The box is in static equilibrium

b)

The box is in dynamic equilibrium

c)

The box is not in equilibrium but does have balanced forces

d)

The box is not in equilibrium and does not have balanced forces

17.

According to the Law of _____________________________, energy cannot be created nor destroyed, only transferred between forms and objects.

a)

Conservation of Charge

b)

Conservation of Force

c)

Conservation of Energy

d)

Universal Gravitation

e)

Electric Charge

18.

A circuit with __________ current has charges that continually go in one direction.

a)

series

b)

parallel

c)

alternating

d)

direct

19.

Which of the following are added to a circuit purposefully to limit the current in order to protect other parts of the circuit?

a)

switch

b)

battery

c)

wire

d)

resistor

20.

Rank the gravitational potential energy of the ball from greatest to least.

a)

A, B, C, D

b)

C, D, B, A

c)

A, C, D, B

d)

B, D, C, A

21.

A circuit in which all of the loads are along a single pathway is a _____________ circuit.

a)

series

b)

parallel

c)

DC

d)

AC

22.

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?

a)

Conduction; negatively charged

b)

Conduction; positively charged

c)

Induction; negatively charged

d)

Induction; positively charged

23.

According to the law of electric charge, a negatively charged object is repelled by a _______________ charged object.

a)

negatively

b)

positively

24.

If I push to the left against a wall, what is the reaction force and in what direction does it act?

a)

Reaction Force: me pushing against the wall

Direction: right

b)

Reaction Force: the wall pushing back on me

Direction: left

c)

Reaction Force: me pushing back on the wall

Direction: left

d)

Reaction Force: the wall pushing back on me

Direction: right

25.

A __________________ is used to see the motion of an object.

a)

reference point

b)

motion object

c)

motion

d)

speed

26.

What will cause an object to accelerate?

a)

Applied forces

b)

Balanced forces

c)

Unbalanced forces

27.

What does the term displacement mean?

a)

The direction of motion

b)

The distance traveled divided by time

c)

The change of position of an object

28.

What is this symbol used to represent?

a)

light bulb

b)

switch

c)

battery

d)

resistor