Quiz about Science Exam

Question 1

All forces have strength

Accepted Answer

true

Answer

false

Question 2

A Force exerted on an object that causes it to move is called

Accepted Answer

work

Answer

power

Answer

motion

Answer

force

Question 3

The strength of force is measured in

Accepted Answer

neutons

Answer

pounds

Answer

resistance

Answer

pressure

Question 4

When the objects stop _______, there is no more force.

Accepted Answer

interacting

Answer

repelling

Answer

pressurising

Answer

attracting

Question 5

All forces have _______

Accepted Answer

strength

Answer

mass

Answer

gravity

Answer

drag

Question 6

All forces have direction

Accepted Answer

true

Answer

false

Question 7

The rate at which one form of energy transforms into another is called ________

Accepted Answer

power

Answer

motion

Answer

work

Answer

force

Question 8

A force results when two or more objects _______

Accepted Answer

interact

Answer

attract

Answer

drag

Answer

repel

Question 9

All forces have _________

Accepted Answer

direction

Answer

drag

Answer

weight

Answer

mass

Question 10

When we say an object ______ another object, it is exerting a pushing force against the object

Accepted Answer

repels

Answer

pressures

Answer

destroys

Answer

attracts

Question 11

All forces are measured in pounds

Accepted Answer

false

Answer

true

Question 12

A _______ is a push or pull on an object

Accepted Answer

force

Answer

contact

Answer

direction

Answer

newton

Question 13

When we say an object _______ another object, it is exerting a pulling force on that object

Accepted Answer

attracts

Answer

repels

Answer

destroys

Answer

pressures

Question 14

The state in which one objects distance from another is changing is called _________.

Accepted Answer

motion

Answer

speed

Answer

force

Answer

work

Question 15

Objects do not have to physically ______ each other to exert force on the other.

Accepted Answer

touch

Answer

attract

Answer

repel

Answer

force

Question 16

A _______ can be postioned as neutral, stretched, or compressed

Accepted Answer

spring

Answer

tension wire

Answer

parachute

Answer

magnet

Question 17

If buoyancy is equal to or greater than the weight of an immersed object, the object will _______.

Accepted Answer

float

Answer

sink

Answer

explode

Answer

dissapear

Question 18

A(n) _______ force can change the motion of an object. It can cause an object to move in the same direction as the force. It can also slow or stop a moving object.

Accepted Answer

applied

Answer

magnetic

Answer

spring

Answer

normal

Question 19

The ______ force is a force exerted by a surface on an object resting on that surface

Accepted Answer

normal

Answer

applied

Answer

spring

Answer

friction

Question 20

_______ is a force that opposes motion. It works in the opposite direction of a moving object.

Accepted Answer

friction

Answer

noramal force

Answer

buoyancy

Answer

applied force

Question 21

A person pulls on a wire that is anchored to a wall. What force is being created?

Accepted Answer

tension

Answer

magnetic

Answer

normal

Answer

spring

Question 22

______ is created when two objects pull on a rope, string, wire, or cable in opposite directions

Accepted Answer

tension

Answer

gravitational

Answer

contact

Answer

spring

Question 23

A(n) ______ force is a force applied by a person or object onto another object

Accepted Answer

applied

Answer

buyoancy

Answer

friction

Answer

normal

Question 24

A fluid pushes upward on an immersed object. This force is called ________

Accepted Answer

buyoant

Answer

friction

Answer

applied

Answer

spring

Question 25

_______ is a force you must overcome to move a stationary object

Accepted Answer

friction

Answer

normal

Answer

electric

Answer

gravitational

Question 26

A(n) ______ force can be a push or a pull

Accepted Answer

applied

Answer

normal

Answer

spring

Answer

friction

Question 27

Force is measured in ________.

Accepted Answer

newtons

Answer

force

Answer

power

Answer

meters

Question 28

_______ is a force created by a stretched or compressed spring.

Accepted Answer

spring

Answer

applied

Answer

normal

Answer

friction

Question 29

Which of the following is a contact force?

Accepted Answer

applied

Answer

electric

Answer

gravitational

Answer

magnetic

Question 30

Some forces result when two objects physically touch each other. These forces are called _________

Accepted Answer

contact forces

Answer

non -contact forces

Answer

jedi forces

Answer

net forces

Question 31

The surface of objects can be coated with ______ to reduce friction

Accepted Answer

liquid

Answer

air

Answer

sand

Answer

gas

Question 32

A woman pushes a grocery cart around the store. What type of force is this?

Accepted Answer

applied force

Answer

spring force

Answer

electric force

Answer

normal force

Question 33

The strength of friction exerted by a surface depends on _______

Accepted Answer

smoothness of the surface

Answer

color of the surface

Answer

temperature of the surface

Answer

sliminess of the surface

Question 34

A ______ is applying a force that causes an object to move away from the object or person that is pushing

Accepted Answer

push

Answer

pull

Answer

jump

Answer

spring

Question 35

______ force is directly related to the density of the fluid and how much fluid is displaced, or moved by an immersed object

Accepted Answer

buoyant

Answer

tension

Answer

applied

Answer

spring

Question 36

Which force is responsible for causing leaves to fall tot he Earth's surface

Accepted Answer

gravitational

Answer

magnetic

Answer

electric

Answer

applied

Question 37

Which object exerts gravity?

Accepted Answer

all of these

Answer

pencil

Answer

basketball

Answer

planet

Question 38

Which of the following is a non-contact force?

Accepted Answer

electric

Answer

normal

Answer

friction

Answer

spring

Question 39

What force keeps the earth in orbit around the sun?

Accepted Answer

gravity

Answer

magnetic

Answer

normal

Answer

applied

Question 40

What do we call the invisible force exerted by magnets?

Accepted Answer

magnetic

Answer

gravitational

Answer

electric

Answer

normal

Question 41

What causes an object to move?

Accepted Answer

when equal and balanced forces act on an object

Answer

It will move if it wants to move

Answer

when net force on the object is zero

Answer

when unbalanced forces act on an object

Question 42

_____ is the result of gravity pulling on an object.

Accepted Answer

weight

Answer

mass

Answer

magnetic force

Answer

applied force

Question 43

The combined result of all forces acting on an object is called

Accepted Answer

net force

Answer

positive force

Answer

fake force

Answer

balanced force

Question 44

Larger objects exert ______ gravitational force

Accepted Answer

greater

Answer

louder

Answer

weaker

Answer

applied

Question 45

All objects with _____ exert gravitational force

Accepted Answer

mass

Answer

friction

Answer

feelings

Answer

weight

Question 46

The force of gravity ______ when the distance between objects increases.

Accepted Answer

decreases

Answer

stays the same

Answer

increase

Answer

none of these

Question 47

Would a person's mass on Jupiter be greater, less than , or the same as his weight on earth?

Accepted Answer

greater

Answer

same

Answer

less

Answer

none of these

Question 48

Only electrically charged particles produce ______ force.

Accepted Answer

electric

Answer

normal

Answer

magnetic

Answer

gravitational

Question 49

Which of the following is a non contact force?

Accepted Answer

gravitational force

Answer

applied force

Answer

buoyant force

Answer

normal force

Question 50

Only _____ produce magnetic force.

Accepted Answer

magnets

Answer

electrons

Answer

sand

Answer

chemicals

Question 51

When the forces acting on an object are equal and balanced, we say the forces are _____

Accepted Answer

balanced

Answer

unbalanced

Answer

scientific

Answer

applied

Question 52

When the forces acting on an object are NOT equal and balanced, we say the forces are

Accepted Answer

unbalanced

Answer

balanced

Question 53

The force of Gravity is _____ on Jupiter because Jupiter is larger than Earth

Accepted Answer

greater

Answer

weaker

Answer

equal

Question 54

Earth's gravity also keeps the _______ in orbit around the Earth.

Accepted Answer

moon

Answer

sun

Answer

stars

Answer

Jupiter

Question 55

Which of the following is a non-contact force?

Accepted Answer

magnetic

Answer

normal

Answer

tension

Answer

applied

Question 56

For a helicopter, lift is created by spinning the rotor blades above the helicopter using an engine.

Accepted Answer

true

Answer

false

Question 57

The lift needs to be greater than the weight for a plane to rise in the air.

Accepted Answer

true

Answer

false

Question 58

Hot air balloons use _____ to change direction

Accepted Answer

wind currents

Answer

a fan

Answer

an engine

Answer

a solar panel

Question 59

Drag is one of the forces acting on an aircraft.

Accepted Answer

true

Answer

false

Question 60

Lift is one of the forces acting on an aircraft.

Accepted Answer

true

Answer

false

Question 61

If the lift is greater than the weight, the plane goes higher.

Accepted Answer

true

Answer

false

Question 62

_____ is caused by the plane pushing the air out of the way.

Accepted Answer

drag

Answer

weight

Answer

thrust

Answer

lift

Question 63

_____ is a force which causes an object to move in the forward direction.

Accepted Answer

thrust

Answer

drag

Answer

lift

Answer

weight

Question 64

weight is one of the forces acting on an aircraft

Accepted Answer

true

Answer

false

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