Which of the following is true of inertia?

it is described in Newton's first law of motion

Two forces act on an object. The magnitude of the net force acting on an object

cannot be determined from the given information

equals the sum of the magnitude of the two forces

equals the differences in the magnitude of the two forces

equals the average of the two forces

In which situation is the net force acting on a car zero?

The car maintains both its speed and direction

The car increases speed and changes directon

The car increases speed but does not change direction

The car maintains its speed but changes direction

In an action-reaction pair, the

action force and the reaction force act on two different objects

action force and the reaction force are equal in magnitude and act in the same direction

action force and the reaction force are contact forces only

A batter strikes a baseball with a bat. Identify an action-reaction pair and describe the forces exerted by each.

The batter exerts force on the bat; the bat exerts a force on the batter

The batter exerts force on the bat; the ball exerts a force on the bat

The bat exerts force on the batter; the bat exerts a force on the ball

The ball exerts force on the bat; the bat exerts a force on the batter

The acceleration due to gravity

has a magnitude of 9.81 m/s 2 at Earth's surface

is represented by the symbol, a g .

acts perpendicular to a surface

For an object in contact with a given surface, the kinetic friction acting on the object

depends on the composition and quantities of the surface in contact

usually is more than static friction

is independent of the normal force

acts perpendicular to the surface

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

moving with a constant velocity

Which statement about the acceleration of an object is correct?

The acceleration of an object is directly proportional to the net external force acting on the object and inversely proportional to the mass of the object

The acceleration of an object is directly proportional to the net external force acting on the object and directly proportional to the mass of the object

The acceleration of an object is inversely proportional to the net external force acting on the object and inversely proportional to the mass of the object

The acceleration of an object is inversely proportional to the net external force acting on the object and directly proportional to the mass of the object

As an object falls towards Earth,

the upward acceleration of Earth is negligible because of its large mass

the object does not exert a force on Earth

the object exerts a downward force on Earth

Newton's third law does not apply

As a basketball player starts to jump for a rebound, the player begins to move upward faster and faster until his shoes leave the floor. At the moment the player begins to jump, the force of the floor on the shoes is

greater than the player's height

equal in magnitude and opposite in direction to the player's weight

Which of the following sentences uses work in the scientific sense.

An engine does work on a car when the car is moving

Anne did work on the project for 5 hours

Joseph found that holding the banner in place was hard work

Work is done on an object

whenever a force causes a displacement of the object

whenever a force acts on the object

whenever a force is perpendicular to the displacement of the object

whenever a net force acts on the object

In which of the following cases is no work done?

A weightlifter holds a barbell overhead

A weightlifter slowly lowers a barbell

A weightlifter drops a barbell and the barbell falls to the ground

If the sign of work is negative

the component of the force that does work is in the direction opposite to the displacement

the force is in the same direction as the displacement

the force is perpendicular to the displacement

the component of the force that does work is perpendicular to the displacement

A painter lifts a bucket of paint, carries it 5 m horizontally, then sits back down. Which of the following is true?

The force of gravity does negative work when the worker lifts the bucket

The painter does positive work on the bucket when carrying it horizontally at a constant speed

The painter does positive work on the bucket when setting it down

No net work is done on the bucket

Physics Final Exam Review

Authored by Alexis Manzano

Physics

9th - 12th Grade

NGSS covered

Used 3+ times

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45 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An action exerted on an object which may change the object's state of rest or motion defines

acceleration

force

mass

velocity

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the units that measure weight?

acceleration

force

mass

velocity

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A force unit is defined as the product of a mass unit and a unit of..

time

displacement

velocity

acceleration

Tags

NGSS.HS-PS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements describe force diagrams?
I. Force diagrams show force vectors as arrows. II. Forces exerted on the object are represented. III. Forces exerted by the object are represented.

I and II

I and III

II and III

I,II, and III

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statement(s) describe free-body diagrams?
I. Force diagrams show force vectors as arrows. II. Forces exerted on the object are represented. III. Forces exerted by the object are represented.

I and II

I and III

II and III

I,II, and III

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The gravitational force exerted on an object would most likely be represented by which force vector?

↑

→

↓

←

Tags

NGSS.HS-PS2-4

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which of the following situations describes inertia?

a. A stationary object tends to resist being moved.

b. A moving object tends to resist a change in speed.

c. A moving object tends to resist a change in direction.

d. all of the above

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Physics Final Exam Review

An action exerted on an object which may change the object's state of rest or motion defines

What are the units that measure weight?

A force unit is defined as the product of a mass unit and a unit of..

Which of the following statements describe force diagrams?I. Force diagrams show force vectors as arrows. II. Forces exerted on the object are represented. III. Forces exerted by the object are represented.

Which of the following statement(s) describe free-body diagrams?I. Force diagrams show force vectors as arrows. II. Forces exerted on the object are represented. III. Forces exerted by the object are represented.

The gravitational force exerted on an object would most likely be represented by which force vector?

Which of the following situations describes inertia?

Which of the following is true of inertia?

Two forces act on an object. The magnitude of the net force acting on an object

A force of 5 N and a force of 15 N acting on an object can produce the following net forces except

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Which of the following statements describe force diagrams?
I. Force diagrams show force vectors as arrows. II. Forces exerted on the object are represented. III. Forces exerted by the object are represented.

Which of the following statement(s) describe free-body diagrams?
I. Force diagrams show force vectors as arrows. II. Forces exerted on the object are represented. III. Forces exerted by the object are represented.