When you know both the speed and direction of an object’s motion, you know the

A. average speed of the object.

C. distance the object has traveled.

Based on your knowledge of energy conservation, which of the following statements is true?

A. Manufacturers can increase a light bulb’s energy efficiency by using technology that increases the amount of electromagnetic energy the bulb converts from a given amount of electrical energy.

B. Energy can be conserved by turning off lights when they are not in use.

Which of the following is an example of exerting a force?

B. a carpenter hammering a nail

A. a train speeding down a track

C. a child running through a field

D. an airplane soaring through the sky

One way to increase acceleration is by

D. increasing both force and mass proportionally.

Speed is the ratio of the distance an object moves to

C. the amount of time needed to travel the distance.

A. the displacement of the object.

D. the direction the object moves.

An inclined plane reduces the effort force by

D. increasing the distance through which the force is applied.

B. reducing the effort distance.

According to Newton’s third law of motion, when a hammer strikes and exerts force on a nail, the nail

B. exerts an equal force back on the hammer.

D. creates a friction with the hammer.

When a pair of balanced forces acts on an object, the net force that results is

A. greater in size than one of the forces.

C. equal in size to one of the forces.

D. greater in size than both forces combined.

A machine is classified as a compound machine if it

B. is made up of two or more simple machines that operate together.

How can a machine make work easier for you?

A. by changing the direction of your force

B. by decreasing the amount of work you do

C. by increasing the work done by the machine

Which of the following is an example of a wheel and axle?

D. an automobile steering wheel

Which of these is an example of deceleration?

D. a car approaching a red light

A. a roller coaster moving down a steep hill

B. an airplane following a straight flight path

C. a bird taking off for flight

An orange might roll off your cafeteria tray when you stop suddenly because of

A. the friction forces acting on the orange.

B. the balanced forces acting on the orange.

C. the centripetal force acting on the orange.

Which example identifies a change in motion that produces acceleration?

A. a ball moving at a constant speed around a circular track

B. a speed skater moving at a constant speed on a straight track

C. a particle moving in a vacuum at constant velocity

D. a vehicle moving down the street at a steady speed

When an unbalanced force acts on an object,

A. the object’s motion does not change

. B. the inertia of the object increases.

C. the weight of the object decreases.

What is the reason copper and aluminum are used for electrical wiring?

A. Copper and aluminum are conductors.

B. Copper and aluminum are insulators.

C. Copper and aluminum are semiconductors.

D. Copper and aluminum are magnetic

Physics Unit Test

12th Grade

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60 Qs

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12th Grade

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Practice Problem

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Medium

BIngo! Sharing

Used 6+ times

FREE Resource

60 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the name of the pulley system shown?

Fixed pulley

Movable pulley

Compound pulley

Open drive pulley

Crossed drive pulley

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

This 2000 N weight is raised 1 meter by pulling 4 meters of rope. What force was required to pull the rope?

500 N

1000 N

2000 N

8000 N

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An effort of 450 newtons is applied to this pulley. What is the force of the load that will be lifted?

450

600

750

900

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the mechanical advantage of this pulley system?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A force acting on an object does no work if

A. a machine is used to move the object.

B. the force is not in the direction of the object’s motion.

C. the force is greater than the force of friction.

D. the object accelerates.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the speed of a bobsled whose distance time graph indicates that it traveled 100 m in 25 seconds?

A. 4 m/s

B. 0.25 mph

C. 250 m/s

D. 100 m/s

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the SI unit of pressure?

A. a pascal

B. a newton

C. g/cm³

D. m/s²

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Physics Unit Test

60 questions

What is the name of the pulley system shown?

This 2000 N weight is raised 1 meter by pulling 4 meters of rope. What force was required to pull the rope?

An effort of 450 newtons is applied to this pulley. What is the force of the load that will be lifted?

What is the mechanical advantage of this pulley system?

A force acting on an object does no work if

What is the speed of a bobsled whose distance time graph indicates that it traveled 100 m in 25 seconds?

What is the SI unit of pressure?

The amount of matter in an object is called its

The force that one surface exerts on another when the two rub against each other is called

An object that travels around another object in space is called a(n)

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