Quiz about Honors Physics Semester 1 Exam Review

Question 1

According to the scientific method, how does a physicist formulate and objectively test hypotheses?

Accepted Answer

by experiments

Answer

by defending an opinion

Answer

by interpreting graphs

Answer

by stating conclusions

Question 2

In the steps of the scientific method, what is the next step after formulating and objectively testing hypotheses?

Accepted Answer

interpreting results

Answer

stating conclusions

Answer

conducting experiments

Answer

making observations and collecting data

Question 3

Why do physicists use models?

Accepted Answer

to explain the basic features of complex phenomena

Answer

to explain the complex features of simple phenomena

Answer

to describe all aspects of a phenomenon

Answer

to describe all of reality

Question 4

What two dimensions, in addition to time, are commonly used by physicists to derive additional measurements?

Accepted Answer

length and mass

Answer

area and mass

Answer

length and time

Answer

velocity and time

Question 5

The SI base unit used to measure mass is the

Accepted Answer

kilogram.

Answer

meter.

Answer

second.

Answer

liter.

Question 6

The SI base unit for time is

Accepted Answer

1 second.

Answer

1 day.

Answer

1 hour.

Answer

1 minute.

Question 7

How does a scientist reduce the frequency of human error and minimize a lack of accuracy?

Accepted Answer

all of the above

Answer

Take repeated measurements.

Answer

Use the same method of measurement.

Answer

Maintain instruments in good working order.

Question 8

What is the speed of an object at rest?

Accepted Answer

0.0 m/s

Answer

1.0 m/s

Answer

9.8 m/s

Answer

9.81 m/s

Question 9

Which of the following is the equation for average velocity?

Accepted Answer

v_ave = $$\frac{\Delta x}{\Delta t}$$

Answer

v_ave= $$\frac{\Delta v}{\Delta t}$$

Answer

v_ave = $$\frac{\Delta a}{\Delta t}$$

Answer

v_ave = $$\frac{1}{v_f}$$

Question 10

Which of the following situations represents a negative displacement?

Accepted Answer

A squirrel jumps from a tree limb to the ground.

Answer

A bird stands on a tree limb.

Answer

A black bear jumps from the ground onto a tree limb.

Answer

A monkey jumps from a lower tree limb to a higher one.

Question 11

Which of the following line segments on a position versus time graph is physically impossible?

Accepted Answer

a vertical line

Answer

a horizontal line

Answer

a straight line that slopes to the left

Answer

a straight line that slopes to the right

Question 12

When a ball is thrown straight upward and then falls downward, when does the ball have a constant acceleration?

Accepted Answer

During its entire trip

Answer

When it is traveling upward

Answer

When it is traveling downward

Answer

When it has a negative velocity

Question 13

Which of the following is a physical quantity that has a magnitude but no direction?

Accepted Answer

scalar

Answer

vector

Answer

resultant

Answer

frame of reference

Question 14

Which of the following is an example of a vector quantity?

Accepted Answer

force

Answer

temperature

Answer

volume

Answer

mass

Question 15

The speed of a snake slithering through grass is a _______________.

Accepted Answer

scalar.

Answer

vector.

Answer

either a scalar or a vector, depending on the direction.

Question 16

Which of the following is an example of projectile motion?

Accepted Answer

a kicked soccer ball

Answer

a jet lifting off a runway

Answer

an aluminum can dropped straight down into the recycling bin

Answer

a space shuttle being launched

Question 17

What is the path of a projectile (in the absence of friction)?

Accepted Answer

a parabola

Answer

straight down

Answer

a hyperbola

Answer

Projectiles do not follow a predictable path.

Question 18

A newton is equivalent to which of the following quantities?

Accepted Answer

$$kg\cdot\frac{m}{s^2}$$

Answer

kg

Answer

$$kg\cdot\frac{m}{s}$$

Answer

$$\frac{kg}{\frac{m}{s^2}}$$

Question 19

A free-body diagram represents all of the following except

Accepted Answer

forces exerted by the object.

Answer

the object.

Answer

forces as vectors.

Answer

forces exerted on the object.

Question 20

The free-body diagram shown above represents a car being pulled by a towing cable. In the diagram, which of the following is the gravitational force acting on the car?

Accepted Answer

14,700 N

Answer

5800 N

Answer

775 N

Answer

13,690 N

Question 21

The free-body diagram shown above represents a car being pulled by a towing cable. In the diagram, the 5800 N force is

Accepted Answer

the force exerted by the towing cable on the car.

Answer

the gravitational force acting on the car.

Answer

the backward force the road exerts on the car.

Answer

the upward force the road exerts on the car.

Question 22

A free-body diagram of a ball falling in the presence of air resistance would show

Accepted Answer

a downward arrow to represent the force due to gravity and an upward arrow to represent the force of air resistance.

Answer

only a downward arrow to represent the force of air resistance.

Answer

only a downward arrow to represent the force due to gravity.

Answer

an upward arrow to represent the force due to gravity and a downward arrow to represent the force of air resistance.

Question 23

Which of the following is the tendency of an object to maintain its state of motion?

Accepted Answer

inertia

Answer

acceleration

Answer

force

Answer

velocity

Question 24

A car goes forward along a level road at constant velocity. The additional force needed to bring the car into equilibrium is

Accepted Answer

zero.

Answer

greater than the normal force times the coefficient of static friction.

Answer

equal to the normal force times the coefficient of static friction.

Answer

the normal force times the coefficient of kinetic friction.

Question 25

If a nonzero net force is acting on an object, then the object is definitely

Accepted Answer

being accelerated.

Answer

at rest.

Answer

moving with a constant velocity.

Answer

losing mass.

Question 26

In general, F_net equals

Accepted Answer

$$\Sigma F.$$

Answer

Ff.

Answer

Fg.

Answer

FN.

Question 27

Which of the following energy forms is associated with an object in motion?

Accepted Answer

kinetic energy

Answer

potential energy

Answer

elastic potential energy

Answer

nonmechanical energy

Question 28

Which of the following energy forms is associated with an object due to its position?

Accepted Answer

potential energy

Answer

positional energy

Answer

total energy

Answer

kinetic energy

Question 29

Which of the following energy forms is not directly involved in kicking a soccer ball?

Accepted Answer

chemical potential energy

Answer

kinetic energy

Answer

gravitational potential energy

Answer

elastic potential energy

Question 30

The main difference between kinetic energy and potential energy is that

Accepted Answer

kinetic energy involves motion, and potential energy involves position.

Answer

kinetic energy involves position, and potential energy involves motion.

Answer

although both energies involve motion, only kinetic energy involves position.

Answer

although both energies involve position, only potential energy involves motion.

Question 31

Gravitational potential energy is always measured in relation to

Accepted Answer

a zero level.

Answer

kinetic energy.

Answer

mechanical energy.

Answer

total potential energy.

Question 32

What is the scientific method?

Accepted Answer

A systematic procedure for how to conduct a scientific experiment

Answer

The process of solving a problem

Answer

A way of making non-scientific observations

Answer

A way to summarize findings from multiple investigations

Question 33

A controlled experiment is an experiment that ______.

Accepted Answer

allows only one variable to be changed at a time

Answer

uses tools to take measurements

Answer

includes a data table and a graph

Answer

is repeated several times

Question 34

Maya designed an experiment to answer the following question: How does the amount of water given to a lima bean seed affect how tall it grows?

What is the dependent variable in this experiment?

Accepted Answer

The height of the lima bean plant

Answer

The amount of water each plant gets

Answer

The amount of soil

Answer

The amount of sunlight each plant gets

Honors Physics Semester 1 Exam Review

40 questions

According to the scientific method, how does a physicist formulate and objectively test hypotheses?

In the steps of the scientific method, what is the next step after formulating and objectively testing hypotheses?

Why do physicists use models?

What two dimensions, in addition to time, are commonly used by physicists to derive additional measurements?

The SI base unit used to measure mass is the

The SI base unit for time is

How does a scientist reduce the frequency of human error and minimize a lack of accuracy?

The Greek letter Δ (delta) indicates a(n)

What is the speed of an object at rest?

Which of the following is the equation for average velocity?

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