Quiz about ISAT Standard PS 2 - Motion and Stability

Question 1

When an unbalanced force acts on an object, the force ______________________.

Accepted Answer

changes the motion of the object

Answer

is cancelled by another force

Answer

does not change the motion of an object

Answer

is equal to the weight of the object

Question 2

When two equal forces act in opposite directions on an object, they are called ______________________.

Accepted Answer

balanced force

Answer

frictional force

Answer

centripetal force

Answer

gravitational force

Question 3

The resistance of an object to any change in its motion is called ______________________.

Accepted Answer

inertia

Answer

friction

Answer

gravity

Answer

weight

Question 4

What law is best described by inertia?

Accepted Answer

1st

Answer

2nd

Answer

3rd

Question 5

The picture is an example of Newton's...

Accepted Answer

3rd Law

Answer

1st Law

Answer

2nd Law

Question 6

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

Accepted Answer

Newton's 3rd Law

Answer

Newton's 1st Law

Answer

Newton's 2nd Law

Answer

Newton's 4th Law

Question 7

Force = Mass x Acceleration

Accepted Answer

Newton's 2nd Law

Answer

Newton's 1st Law

Answer

Newton's 3rd Law

Answer

Newton's 4th Law

Question 8

"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."

Accepted Answer

Newton's 1st Law

Answer

Newton's 2nd Law

Answer

Newton's 3rd Law

Answer

Newton's 4th Law

Question 9

Any push or pull on an object.

Accepted Answer

force

Answer

velocity

Answer

inertia

Answer

momentum

Question 10

The force that opposes motion between two surfaces in contact with each other.

Accepted Answer

friction

Answer

inertia

Answer

momentum

Answer

gravity

Question 11

The combination of all the forces acting on an object is the...

Accepted Answer

net force

Answer

action force

Answer

reaction force

Answer

balance force

Question 12

A Newton is a unit of...

Accepted Answer

force

Answer

inertia

Answer

acceleration

Answer

velocity

Question 13

"Forces come in pairs" represents

Accepted Answer

Newton's 3rd law

Answer

Newton's 1st law

Answer

Newton's 2nd law

Answer

Law of conservation of momentum

Question 14

A unbalanced force means that an object is

Accepted Answer

changing its motion

Answer

zero net force

Answer

sitting still

Answer

object at rest

Question 15

Why is it harder for the boy in Image B to get down the hill?

Accepted Answer

Friction

Answer

Motion

Answer

Work

Answer

Displacement

Question 16

A type of friction that occurs when air pushes against a moving object causing it to negatively accelerate

Accepted Answer

air resistance

Answer

surface area

Answer

descent velocity

Answer

gravity

Question 17

The amount of friction depends on the weight of the objects pressing together.

Accepted Answer

True

Answer

False

Question 18

A 10 kg, 15 kg, and 20 kg rock are rolling down a hill. Which rock will require the most force to stop?

Accepted Answer

20 kg rock

Answer

10 kg rock

Answer

15 kg rock

Answer

All 3 rocks will require the same force

Question 19

Objects with greater _________ also have greater inertia.

Accepted Answer

mass

Answer

speed

Answer

temperature

Answer

friction

Question 20

The air is let out of a balloon and it flies around the room. Which of Newton's Laws is this?

Accepted Answer

3rd Law

Answer

1st Law

Answer

2nd Law

Question 21

A car accelerates faster than a semi-truck. Which of Newton's Laws is this?

Accepted Answer

2nd Law

Answer

1st Law

Answer

3rd Law

Question 22

A person pulls a tablecloth from underneath a plate and it does not move. Which of Newton's Laws is this?

Accepted Answer

1st Law

Answer

2nd Law

Answer

3rd Law

Question 23

A full grocery cart requires more force than an empty cart. Which of Newton's Laws is this?

Accepted Answer

2nd Law

Answer

1st Law

Answer

3rd Law

Question 24

A force of 90N is applied to each cart below, which one will accelerate the fastest?

Accepted Answer

Cart 1

Answer

Cart 2

Answer

Cart 3

Answer

Cart 4

Question 25

Which of the following is the correct position - time graph for an object moving with a constant velocity?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 26

Looking at the image. Decide if this is balanced or unbalanced.

Accepted Answer

Balanced

Answer

Unbalanced

Question 27

Looking at the image. Decide if this is balanced or unbalanced.

Accepted Answer

Unbalanced

Answer

Balanced

Question 28

What is the net force in this example?

Accepted Answer

50 N left

Answer

200 N left

Answer

125 N right

Answer

75 N right

Question 29

If a person is picking up a book with the force of 50 N and the gravity is pulling down with 15 N, what is the net force?

Accepted Answer

35 N up

Answer

50 N dup

Answer

65 N up

Answer

35 N down

Question 30

Students are playing tug-of-war. If group B pulls the rope to the right with a force of 400 N and group A pulls the rope to the left with a force of 250 N, what will happen to the ribbon in the middle of the rope?

Accepted Answer

The ribbon will move to the right and group B will win the tug-of-war.

Answer

The ribbon will move to the left and group A will win the tug-of-war.

Question 31

Is the Net Force balanced or Unbalanced?

Accepted Answer

Unbalanced

Answer

Balanced

Question 32

Mrs. King and Mr. King decided to move a dresser across the room. They both stood on the same side and pushed left with a total of 30N of force, although there was 10N of friction. What is the net force and direction?

Accepted Answer

20N Left

Answer

40N Left

Answer

30N Left

Answer

10N Left

Question 33

What is the net force?

Accepted Answer

35 N right

Answer

65 N left

Answer

65 N right

Answer

35 N left

Question 34

A notebook is on a desk. The force of gravity pulling the notebook down on the table is 10 N. The force of the table (normal force) pushing back up on the notebook is 10N. What is the net force?

Accepted Answer

0N

Answer

20N

Answer

15N

Answer

100N

Question 35

With unbalanced forces, the object will move in the direction of the _______ force.

Accepted Answer

larger

Answer

smaller

Answer

equal

Question 36

Calculate the net force shown in the  diagram?

Accepted Answer

9 N

Answer

41 N

Answer

25 N

Answer

16 N

Question 37

Atoms That have a positive charge will be attracted to atoms with a ______________ charge.

Accepted Answer

negative

Answer

positive

Answer

no charge

Question 38

What forces works only by combining electric and magnetic forces?

Accepted Answer

electromagnet

Answer

electric

Answer

magnetic

Answer

static electricity

Question 39

This force occurs when ions create attractive and repulsive forces.

Accepted Answer

Electric Current

Answer

Magnetic Force

Answer

Electromagnet

Answer

Magnetism

Question 40

This force occurs when there is an attractive and repulsive force between two poles.

Accepted Answer

Magnetism

Answer

Electric

Answer

Electromagnetism

Answer

Static Electricity

Question 41

In a magnet the opposite poles will

Accepted Answer

Attract

Answer

Repel

Answer

Neither

Question 42

Like poles will

Accepted Answer

Repel

Answer

Attract

Answer

Neither

Question 43

The magnetic field of a magnet is ____________ further away from the magnet.

Accepted Answer

Weaker

Answer

Smaller

Answer

Stroner

Answer

Larger

Question 44

Electric charges that do not move through a current are known as

Accepted Answer

Static Electricity

Answer

Electricity

Answer

Magnetism

Answer

Electromagnetism

Question 45

When electrons flow through wires from a - terminal to a + terminal a/an ___________ is created.

Accepted Answer

Current

Answer

Flow

Answer

Electromagnet

Answer

Magnet

Question 46

The area around an electric charge that experiences the force exerted by the electric charge.

Accepted Answer

Electric Field

Answer

Magnetic Field

Answer

Electric Force

Answer

Magnetic Force

Question 47

What is this image showing.

Accepted Answer

Magnetic Field

Answer

Electric Current

Answer

An Electromagnet

Answer

Magnetic Force

Question 48

How could I increase the strength of my electromagnet?

Accepted Answer

More Batteries

Accepted Answer

More loops of copper wire

Answer

Smaller paper clips

Answer

Larger Nail

Question 49

When electrons all spin in the direction, they create an invisible force known as_______

Accepted Answer

Magnetism

Answer

Electricity

Answer

Static Electricity

Answer

Electromagnet

Question 50

What will happen if the north ends of two magnets are placed near each other?

Accepted Answer

They will repulse (repel) each other.

Answer

They will attract each other.

Answer

Both magnets will get weaker.

Answer

Nothing will happen.

Question 51

How can the strength of an electromagnet increase?

Accepted Answer

Add more loops (coils) of wire around the core.

Answer

Remove the core, leaving only the coils of wire.

Answer

Remove the battery.

Answer

Remove loops (coils) of wire from around the core.

Question 52

Students want to investigate how the amount of electric energy delivered to a motor affects its speed. Which of the following procedures will most likely produce the data students need to answer their question?

Accepted Answer

Measure the rotations per second of a motor when it is connected to one battery, two batteries, and three batteries.

Answer

Add larger and larger motors to a battery to determine the size of the largest motor the battery is able to run.

Answer

Closely observe the rotation of the motor to see if the direction of spin reverses when the poles of the battery are switched.

Answer

Connect a series of motors to the same battery to figure out how many motors can be run off the same battery.

Question 53

The table provided shows data collected by students during an investigation of two electromagnets.

(See Attached Diagram)

Which of the following conclusions is supported by data on the table?

Accepted Answer

The greater the charges of two electromagnets, the greater the size of the force.

Answer

When two electromagnets are of like charges, they attract each other.

Answer

Electromagnets that repel each other have more force than those that attract each other.

Answer

If the charge on one magnet is positive, the charge on the other must be negative.

Question 54

This table shows the magnitude of electromagnetic force exerted by two electromagnets on each other as the distance between the two electromagnets is varied.

(See Attached Diagram)

The data on the table provide evidence for which of the following conclusions?

Accepted Answer

The smaller the distance between two electromagnets, the greater the force.

Answer

The force between any two magnets is always constant, regardless of distance.

Answer

As distance between electromagnets increases, the electromagnetic force also increases.

Answer

The force between two magnets depends only on the charge of the electromagnets.

Question 55

As the magnets get farther apart, the strength of the fields get.....

Accepted Answer

Weaker

Answer

Stronger

Answer

Stay the same

Question 56

If electrons transfer from a wool square to a pvc wand, the wool becomes ______________ and the wand becomes_____________.

Accepted Answer

Positive, Negative

Answer

Positive, Positive

Answer

Negative, Positive

Answer

Negative, Negative

Question 57

Which of the following forces is attractive but never repulsive?

Accepted Answer

Gravitational Force

Answer

Electric Force

Answer

Magnetic Force

Answer

Electromotive Force

Question 58

Which of the diagrams shows the least gravitational force?

Accepted Answer

IV

Answer

I

Answer

II

Answer

III

Question 59

Electrical conductors have ____ resistance to the movement of electrons.

Accepted Answer

Low

Answer

High

Question 60

What is a material through which electrons cannot move easily?

Accepted Answer

Insulator

Answer

Conductor

Answer

Magnet

Answer

Circuit

Question 61

Moving a magnet near a compass can cause the compass needle to move, even though the magnet does not touch the compass. This observation is evidence for which characteristics of magnetic fields?

Accepted Answer

Fields can exert non-contact forces.

Answer

There is a north and south pole on a magnet.

Answer

Magnetic fields do not exist.

Question 62

Which choice best describes a gravitational field?

Accepted Answer

A bend in the space-time continuum that attracts masses together over a distance.

Answer

A force that pulls people to the Earth.

Answer

A force that attracts oppositely charged particles.

Answer

A bend in the space-time continuum that can attract and repel objects.

Question 63

Bob and Suzy are designing an electromagnet. Bob wants to add another battery to make the magnet stronger, and Suzy wants to add more coils to make the magnet stronger. Who is correct?

Accepted Answer

Both Bob and Suzy

Answer

Bob

Answer

Suzy

Answer

Neither Bob nor Suzy

Question 64

Which item could NOT be used as a core in an electromagnet?

Accepted Answer

Wooden pencil

Answer

Steel bolt

Answer

Cobalt cylinder

Answer

Nickel pen

ISAT Standard PS 2 - Motion and Stability

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