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Review for Physics FSE - Modules 1-6

Total questions: 53

Worksheet time: 2hrs 30mins

Name
Class
Date
1.

Which SI unit is used to measure temperature?

a)

ampere

b)

candela

c)

kelvin

d)

meter

2.

What is the number of significant digits in the measurement 34.000 m?

a)

2

b)

3

c)

4

d)

5

3.

If you were to measure the mass of a toy car used in an activity, the unknown quantity is the mass of the toy car and the standard is the

a)

gram

b)

meter

c)

mole

d)

second

4.

Which describes an independent variable?

a)

A. The factor that is changed or manipulated during an experiment.

b)

B. The factor that depends on what is changed or manipulated during an experiment.

c)

C. The line of best fit.

d)

D. The result of an experiment.

5.

Final position minus the initial position is called the ____.

a)

displacement

b)

distance

c)

magnitude

d)

time interval

6.

A common symbol for a time interval uses the Greek letter ____ to represent a change in a quantity.

a)

alpha (α)

b)

beta (β)

c)

delta (Δ)

d)

gamma (γ)

7.

What is plotted on the horizontal axis of a position-time graph?

a)

motion

b)

position

c)

speed

d)

time

8.

____ is the change in position divided by the time during which the change occurred.

a)

Average velocity

b)

Average speed

c)

Instantaneous velocity

d)

Instantaneous speed

9.

If there are no contact forces pushing up on an object and the object's apparent weight is zero, it is said to be

a)

at terminal velocity.

b)

in equilibrium.

c)

small.

d)

weightless.

10.

The equation FA on B=−FB on AF_{A\ on\ B}=-F_{B\ on\ A} represents

a)

Newton's first law.

b)

Newton's second law.

c)

Newton's third law.

d)

Newton's fourth law.

11.

The __?__ is the perpendicular contact force exerted by a surface or another object.

a)

accelerated force

b)

equal force

c)

normal force

d)

perpendicular force

12.

If you blow up a balloon, and then release it, the balloon will fly away. This is an illustration of

a)

Newton's first law.

b)

Newton's second law.

c)

Newton's third law.

d)

Galileo's law of inertia.

13.

Action-reaction forces are

a)

equal in magnitude and point in the same direction.

b)

equal in magnitude but point in opposite directions.

c)

unequal in magnitude and point in the same direction.

d)

unequal in magnitude and point in opposite directions.

14.

Acceleration describes the rate of change in

a)

position

b)

velocity

c)

mass

d)

gravity

15.

The net force is the

a)

force exerted on one surface by another when there is no relative motion between the two.

b)

vector sum of all the outside forces on an object.

c)

apparent weight.

d)

friction between any two objects.

16.

Newton's first law of motion is often called the law of

a)

inertia.

b)

equilibrium.

c)

momentum.

d)

acceleration.

17.

The unit of force in the SI system is the

a)

newton.

b)

quantum.

c)

pascal.

d)

magnum.

18.

Newton's second law states that

a)

a force is needed to keep an object moving.

b)

the acceleration of an object is proportional to the net force exerted on the object and inversely proportional to the mass of the object.

c)

objects remain either at rest or continue moving in a straight line with constant speed only if the net force on that object is zero.

d)

all forces come in pairs.

19.

When a soccer ball is thrown straight upward, the force of gravity

a)

is constant and opposite to the direction of the motion.

b)

is constant and in the same direction as the direction of motion.

c)

decreases to zero at the highest point.

d)

increases to a maximum at the highest point reached by the ball.

20.

A type of physical model that represents the forces acting on a system is called a(n)

a)

acceleration diagram.

b)

free-body diagram.

c)

force-body diagram.

d)

inertia diagram.

21.

Which of these is true?

a)

Weight can change when the gravitational field changes.

b)

Weight is a measure of inertia.

c)

Mass is a force.

d)

Weight is the measure of the amount of matter in an object.

22.

The process of breaking a vector into its components is called

a)

graphical representation.

b)

reduction.

c)

trigonometry.

d)

vector resolution.

23.

Jack and Jill are pushing a dresser across their bedroom in the direction of East. The direction of the force of friction is

a)

East.

b)

upward.

c)

West.

d)

downward.

24.

A mover of household goods wants to push a heavy appliance at rest on the floor across the floor. She puts her shoulder against the appliance and begins to push. She gradually increases the force of her push until the appliance moves when she keeps the pushing force constant. The force of friction during this scenario

a)

decreases and then increases.

b)

increases and then decreases.

c)

remains the same.

d)

continues to increase.

25.

Which is a type of friction you experience as you push a book across a table?

a)

accelerated friction

b)

kinetic friction

c)

negative friction

d)

static friction

26.

The coefficient of static friction is __?__ the coefficient of kinetic friction.

a)

less than

b)

more than

c)

equal to

d)

unrelated to

27.

An object in ______ is motionless or moves with constant velocity.

a)

equilibrium

b)

stasis

c)

suspended animation

d)

constant acceleration

28.

What is the term used to describe a force that equals the sum of two or more forces?

a)

equilibrant

b)

normal force

c)

resultant force

d)

tension force

29.

A projectile's horizontal motion is ________ its vertical motion.

a)

dependent on

b)

independent of

c)

related to

d)

greater than

30.

Centripetal acceleration always points to the ______ of the circle.

a)

back

b)

center

c)

front

d)

outer edge

31.

Which of these is a nonexistent force?

a)

centrifugal

b)

centripetal

c)

friction

d)

gravity

32.

Janae throws a softball to (at?) Joel. As the softball moves through the air, it is called a(n)

a)

easy out.

b)

drawing.

c)

projectile.

d)

target.

33.

When a car's velocity is negative and its acceleration is positive, what is happening to the car's motion?

a)

The car speeds up.

b)

The car slows down.

c)

The car remains at rest.

d)

The car travels at constant speed.

34.

In a vacuum, objects of different masses dropped from rest

a)

fall with equal accelerations and with equal displacements.

b)

fall with equal accelerations and with different displacements.

c)

fall with different accelerations and with equal displacements.

d)

fall with different accelerations and with different displacements.

35.

Which net, unbalanced force acts upon projectiles?

a)

inertia

b)

acceleration

c)

friction

d)

gravity

36.

When an object traveling in a circular path loses its centripetal force, it will travel in a straight line because of

a)

inertia.

b)

centripetal acceleration.

c)

centrifugal force.

d)

tangential force.

37.

When an object is moving with uniform circular motion, the object's tangential speed

a)

is constant.

b)

is directed toward the center of motion.

c)

is perpendicular to the plane of motion.

d)

is circular.

38.

Which "object" can provide centripetal force?

a)

friction

b)

gravity

c)

tension

d)

all are correct

39.

Johannes Kepler was an assistant to _________.

a)

Brahe

b)

Copernicus

c)

Cavendish

d)

Newton

40.

What states that "every object in the universe attracts every other object"?

a)

Law of Universal Gravitation

b)

Newton's First Law of Motion

c)

My mother

d)

Inertia & gravity

41.

What is the Universal law of gravitation equation? 

a)

G=F⋅m1⋅m2r2G=\frac{F\cdot m_1\cdot m_2}{r^2}

b)

Fg=G⋅m1⋅m2r2F_g=\frac{G\cdot m_1\cdot m_2}{r^2}

c)

Fg=G⋅r2m1⋅m2F_g=\frac{G\cdot r^2}{m_1\cdot m_2}

d)

G=F⋅r2m1⋅m2G=\frac{F\cdot r^2}{m_1\cdot m_2}

42.

The _______ force is the force of attraction between two objects due to the objects' masses.

a)

frictional

b)

gravitational

c)

planetary

d)

universal

43.

This illustration shows _______.

a)

Kepler's first law

b)

Kepler's second law

c)

Kepler's third law

d)

The Law of Unitversal Gravitation

44.

In this illustration, the planet moves fastest when it is _______ the Sun.

a)

close to

b)

equal to

c)

farther from

d)

parallel to

45.

Two satellites are in orbit around a planet. One satellite has an orbital radius of 8.0×1068.0\times10^6 m. The period of revolution for this satellite is 1.0×1061.0\times10^6 s. The other satellite has an orbital radius of 2.0×1072.0\times10^7 m. What is this satellite's period of revolution?

a)

5.0×1065.0\times10^6 s

b)

2.5×1062.5\times10^6 s

c)

4.0×1064.0\times10^6 s

d)

1.3×1071.3\times10^7 s

46.

A moon revolves around a planet with a speed of 9.0×1039.0\times10^3 m/s. The distance from the moon to the center of the planet is 5.43×1065.43\times10^6 m. What is the orbital period of the moon?

a)

1.2π×1021.2\pi\times10^2 s

b)

6.0π×1026.0\pi\times10^2 s

c)

1.2π×1031.2\pi\times10^3 s

d)

1.2π×1091.2\pi\times10^9 s

47.

Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if the distance between them were doubled?

a)

9 N

b)

18 N

c)

72 N

d)

144 N

48.

If the mass of one object is tripled, how does the gravitational force between it and another object change?

a)

It is halved

b)

It is reduced to one-third

c)

It is tripled

d)

It remains the same

49.

Josh and Sean are seated 1.50 m apart. One has a mass of 52.0 kg and one has a mass of 70.0 kg. What is the gravitational force between them (in Newtons)? (Hint: think about significant figures -- how many?)

50.

Planets remain in orbit while falling around the Sun due to their ...

a)

tangential velocities.

b)

zero tangential velocities.

c)

accelerations of about 10 ms2\frac{m}{s^2} .

d)

centrifugal forces that keep them up.

51.

Consider a space probe three times as far from Earth's center. Compared at Earth's surface, its gravitational attraction to Earth at this distance is about ...

a)

one third as much.

b)

on half as much.

c)

one ninth as much.

d)

zero.

52.

When an astronaut in orbit is weightless, he or she is ...

a)

beyond the pull of Earth's gravity.

b)

still in the pull of Earth's gravity.

c)

in the pull of interstellar gravity.

d)

beyond the pull of the Sun's gravity.

53.

Neptune is 30.6 AU from the Sun. How long is the year for Neptune (in Earth years)?

a)

162 years

b)

169 years

c)

212 years

d)

100 years

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