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Physics 1st Moment

Total questions: 70

Worksheet time: 35mins

Name
Class
Date
1.

Which is the first law?

a)

Law of gravity

b)

Law of inertia

c)

Law of motion

d)

Law of momentum

2.

What is the second law about?

a)

how much an object will accelerate for a given net force

b)

Every object that goes up will go down again because of gravity

3.

Who created the three laws of motion?

a)

Albert Einstein

b)

Stephen Hawking

c)

Isaac Newton

d)

Galileo Galilei

4.

What is F = ma?

a)

Force, motion, action

b)

Force, mass, acceleration

c)

Force, muscle, action

5.

how many laws of motion are they?

a)

2

b)

5

c)

4

d)

3

6.

Laws of....

a)

Motion

b)

Gravity

c)

physics

d)

acceleration

7.

“For every action, there is an equal and opposite reaction”.

a)

First law

b)

Second law

c)

Third law

d)

All of the above

8.

I move a chair, the chair stops moving if I stop moving it

a)

First law

b)

Second law

c)

Third law

d)

Choclos

9.

Which of Newton's three laws does the following example illustrate? If you have a hockey puck sliding along a table, it will eventually come to a stop.

a)

first law

b)

second law

c)

Third law

10.

Why are these laws important?

a)

They lay the groundwork for later physics developments

b)

They are the first laws made by humans

c)

They were discovered by accident

11.

What is this picture about?

a)

3rd law of motion

b)

2 girls diving

c)

1st law of motion

d)

Choclos

12.

Which of these is not one of the laws?

a)

Inertia

b)

F=ma

c)

gravity is all around us

d)

When one body puts force on another body, the other body exerts a force in opposite in direction on the first body.

13.

Force is measured in...

a)

pounds

b)

Strongness

c)

Newtons

d)

FLOCCINAUCINIHILIPILIFICATION

14.

the absolute unit of force

a)

Newtons

b)

Hulk

c)

kg

d)

Shaq

15.

what is distance?

a)

The space between two points

b)

How far an object can go

c)

the speed in which you go to other places

16.

Why do we have to wear seatbelts?

a)

Inertia

b)

Gravity

c)

Force

d)

acceleration

17.

How long will an object remain in rest?

a)

Until a force acts on it

b)

Until god wants

c)

Its not moving anyway....

d)

5 minutes more

18.

Why is it hard to move a bed from one side to another?

a)

Friction

b)

Gravity

c)

Deceleration

d)

Bad luck

19.

Why is it harder to push bowling balls than pushing basketballs?

a)

Bowling balls have more mass

b)

Basketball is the best sport

c)

Bowling balls have more friction

20.

Why do you move left when a car moves right?

a)

Inertia

b)

Gravity

c)

Force

21.

If its position changes relative to another object...

a)

Speed

b)

Accelearation

c)

Motion

d)

Reference point

22.

Is a place or object used for comparison to determine if something is in motion...

a)

Reference point

b)

The sky

c)

Motion

d)

A car in motion

23.

The distance is measure in...

a)

m/s

b)

Newtons

c)

Seconds

d)

Meters

24.

The unit for time is...

a)

meters

b)

 ms2\frac{m}{s^2}  

c)

seconds

d)

m/s

25.

The unit of acceleration is...

a)

ms2\frac{m}{s^2}

b)

m/s

c)

Joules

d)

Newtons

26.

The unit for speed is...

a)

seconds

b)

Newtons

c)

ms2\frac{m}{s^2}

d)

m/s

27.

10,000mm is equal to...

a)

10m

b)

1m

c)

100m

d)

0.1m

28.

23Km is equal to...

a)

230cm

b)

230,000cm

c)

2,300,000cm

d)

23,000cm

29.

36 h to s...

a)

3,600s

b)

72,000s

c)

236,000s

d)

129,600s

30.

To calculate the speed you need this information...

a)

acceleration and time

b)

distance and average speed

c)

time and distance

d)

speed and direction

31.

To calculate the average speed you need to...

a)

Total distan⁡ceTotal time\frac{Total\ dis\tan ce}{Total\ time}

b)

RiseRun\frac{Rise}{Run}

c)

Total timeTotal distan⁡ce\frac{Total\ time}{Total\ dis\tan ce}

d)

instan⁡tan⁡eous speedaverage speed\frac{ins\tan\tan eous\ speed}{average\ speed}

32.

Is the speed of an object at a given instant of time...

a)

average

b)

speed

c)

instantenous speed

d)

velocity

33.

Is the speed over a long period of time...

a)

Instantenous speed

b)

Velocity

c)

Speed

d)

Average speed

34.

38 Km/h eastward

a)

Speed

b)

Velocity

c)

Direction

d)

Motion

35.

You can show the motion of an object on a line graph in which you plot...

a)

Speed vs time

b)

acceleration vs time

c)

acceleration vs speed

d)

Distance vs time

36.

When you calculate the slope on a distance vs time graph you get...

a)

time

b)

speed

c)

acceleration

d)

velocity

37.

Is the increase of the speed, decrease of the speed or the change in direction...

a)

Acceleration

b)

Speed

c)

Velocity

d)

Gravity

38.

 If an object has an acceleration of 5ms25\frac{m}{s^2} and its speed is 15m/s after 3 seconds, which is the speed of the object after 8s?

a)

45m/s

b)

50m/s

c)

35m/s

d)

40m/s

39.

If an object has an acceleration of −3ms2-3\frac{m}{s^2}  and has an initial speed of 50m/s, that means that after 6s its new speed will be...

a)

30m/s

b)

32m/s

c)

47m/s

d)

38m/s

40.

How are forces described?

a)

By the mass and the distance

b)

By its strength and direction in which it acts

c)

By the force applied and the mass

d)

By the acceleration and speed

41.

If we have a box with a 56N force of friction on the left side and a person is pulling leftwards with a force of 250N, and another guy is pulling rightwards with a force of 250N, which is the net force?

a)

56N

b)

-556N

c)

194N

d)

-56N

42.

If you pull your dog's leash leftwards with a force of 75N and your dog pulls the leash rightwards with a force of 75N, Which is the net force?

a)

-0N

b)

150N

c)

-150N

d)

0N

43.

A nonzero net force...

a)

Causes a change in the object's motion

b)

Does not causes a change in the object's motion

c)

Motion remains constant

d)

Is the addition of all the forces applied in the object

44.

These are the factors that affect the force of friction...

a)

Mass and distance

b)

Force and acceleration

c)

Force and gravity

d)

Type of surface and how hard the surfaces are pushed together

45.

Without friction a moving object will not stop until it strikes another object...

a)

True

b)

False

c)

It depends on the object

d)

It depends on the mass of the object

46.

Friction comes from the latin word fricare, what do you think fricare means?

a)

to push

b)

to burn

c)

to melt

d)

to rub

47.

Occurs when two solid surfaces slide over each other...

a)

Sliding friction

b)

Rolling friction

c)

Static friction

d)

Fluid friction

48.

Act's between objects that aren't moving...

a)

Sliding friction

b)

Rolling friction

c)

Fluid friction

d)

Static friction

49.

Occurs when an object rolls across a surface...

a)

Sliding friction

b)

Rolling friction

c)

Fluid friction

d)

Static friction

50.

Occurs when a solid object moves through a fluid...

a)

Sliding friction

b)

Fluid friction

c)

Static friction

d)

Rolling friction

51.

It is the force that keeps all the planets in our solar system orbiting around the sun...

a)

Strong nuclear force

b)

Electromagnetic force

c)

Gravity

d)

Weak nuclear force

52.

The force of gravity acts between all objects in the universe that have mass...

a)

Newton's 1st law of motion

b)

Newton's law of universal gravitation

c)

Newton's 2nd law of motion

d)

Newton's 3rd law of motion

53.

There are two factors that affect the gravitational attraction between two objects...

a)

Surface and the force applied

b)

Force and mass

c)

Mass and acceleration

d)

Mass and distance

54.

An approximate of your weight is...

a)

40Kg

b)

500N

c)

60Kg

d)

50kg

55.

If you measure yourself on a bath scale it gives your...

a)

Weight

b)

Mass

c)

Mass and weight

d)

Density

56.

Mass is the amount of matter an object has. Mass changes depending on where you are.

a)

True. True

b)

False. False.

c)

False. True.

d)

True. False.

57.

Weight is a measure of the force of gravity on an object. Weight changes depending on where you are.

a)

True. True.

b)

False. True.

c)

True. False.

d)

False. False.

58.

What happens with the gravitational attraction of two objects if the distance between them increases?

a)

Gravity increases

b)

Gravity decreases

c)

Gravity stays the same

d)

All of the above

59.

The momentum of an object can be determined by multiplying the object's...

a)

Force by distance

b)

Mass by velocity

c)

Acceleration by distance

d)

Mass by acceleration

60.

Law conservation of momentum states...

a)

The total momentum remains the same before and after a collision

b)

The total momentum after the collision is greater than before the collision

c)

The total momentum before the collision is greater than after the collision

d)

The total momentum changes

61.

What is the momentum of a 1000Kg car traveling at a velocity of 15m/s?

a)

1500 kg *m/s

b)

1015 kg*m/s

c)

15,000 kg*m/s

d)

30,000 kg*m/s

62.

In free fall, where does an object have the slowest speed?

a)

Vi

b)

Vf

c)

Vtop

d)

More than one is correct

63.
What is acceleration of an object traveling upward during free fall?
a)
+9.8m/s2
b)
-9.8m/s2
c)
9.8 m/s
d)
-9.8m/s
64.
Free fall is
a)
Only when an object travels downward, or is falling
b)
Changes based on which object is in free fall. A heavier object will have a greater free fall than a lighter one
c)
When the object is only experiencing the force of gravity
d)
When objects have zero forces acting upon them
65.
Which would hit the ground first if dropped from the same height in a vacuum—a feather or a metal bolt?
a)
the feather
b)
the metal bolt
c)
They would hit the ground at the same time.
d)
They would be suspended in a vacuum.
66.
Which would fall with greater acceleration in a vacuum—a leaf or a stone?
a)
the leaf
b)
the stone
c)
They would accelerate at the same rate.
d)
It is difficult to determine without more information.
67.
When an object is in circular motion what type of acceleration is occurs?
a)
Constant
b)
Directional
c)
Positive
d)
Negative
68.
As the moon orbits the earth, what keeps the moon moving in a circular motion?
a)
Gravity
b)
Inertia
c)
Centripetal Force
d)
Friction
69.
The centripetal force of satellites is similar to gravitational force because they are both a net force towards the center of earth.
a)
True
b)
False
70.

You can't pass PHYISICS!

a)

WATCH ME!

b)

Yes, I'm going to fail

c)

Physics is so difficult to me

d)

I don't have what it takes

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