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Forces 6th grade

Total questions: 44

Worksheet time: 22mins

Name
Class
Date
1.

who discovered the force of gravity while sitting under an apple tree?

a)

Sir Issac Newton

b)

Mickey Mouse

c)

Ben Franklin

d)

Dr. May

2.

Newton realized the motion depends on two things:

a)

Force and Magnatude

b)

Force and Mass

c)

Directions and Acceleration

d)

No idea

3.

______ of an object is directly proportional to ______.

a)

Acceleration, Net Force

b)

Acceleration, Mass

c)

Magnitude, Distance

d)

Distance, Mass

4.

______ of an object is inversely proportional to _____.

a)

Acceleration, Mass

b)

Acceleration, Net Force

c)

Net Force, Magnitude

d)

Distance, Touch

5.

Every force has a _____ and _____.

a)

Magnitude and Direction

b)

Magnitude and Newton

c)

Direction and Acceleration

d)

Jedi and lightsaber

6.

The _____ is how strong the push or pull is and is measured in Newtons (N).

a)

Force

b)

Friction

c)

Direction

d)

Magnitude

7.

A _____ is a push or a pull exerted on an object.

a)

Drag

b)

Friction

c)

Force

d)

Newton

8.

______ can be, for example, East, West, North, South, left or right.

a)

Wicked Witches

b)

Newtons

c)

Magnitude

d)

Mass

9.

Two groups of forces:

Those that ____ and those that act at a

______.

a)

Touch, Distance

b)

Move, Dance

c)

Shake, Earthquake

10.

_____ are those interactions in which there is physical contact.

a)

Friction

b)

Applied Force

c)

Contact Force

d)

Normal Force

11.

______ occurs when two surfaces rub in the opposite direction, such as sliding a box across the floor.

a)

Friction

b)

Static

c)

Massages

12.

______ is directly pushing or pulling an object such hitting a baseball with a bat.

a)

Contact Forces

b)

Applied Forces

c)

Normal Forces

13.

____ is when a supporting surface pushes back up on an object that is resting on that surface. The support force is called ______.

a)

Applied Force, Applied

b)

Contact Forces, Contact

c)

Normal Forces, Normal

14.

‐-------- are those interactions where the push or pull is from a force field acting at a distance.

a)

At-A-Distance Force

b)

Magnetic Field

c)

Gravitational Field

d)

Electrical Field

15.

‐-------- magnets can pull or push objects from a distance depending on the strength of their magnetic field.

a)

At-A-Distance Force

b)

Magnetic Field

c)

Gravitational Field

d)

Electrical Field

16.

‐-------- the Sun's ________ field is so enormous that the force is strong enough to keep all of the solar system objects in orbit around the Sun.

a)

At-A-Distance Force, Distance

b)

Magnetic Field, Magnetic

c)

Gravitational Field, Gravitational

d)

Electrical Field, Electrical

17.

‐-------- when ______ are similar (both positive or both negative), those charges push particles apart._____ are opposite, such as a positive and negative charge, pull objects together.

a)

At-A-Distance Force, Distance, Charges

b)

Magnetic Field, Magnetic, Charges

c)

Gravitational Field, Gravitational, Charges

d)

Electrical Field, Electrical Charges, Charges

18.

Earth's ______ force pulls the apple down toward the center of the planet.

a)

gravitational

b)

normal

c)

direction

d)

Newton

19.

Earth's gravity keep everything on _____, including keeping people from drifting into space.

a)

Earth

b)

Mars

c)

Moon

d)

Sun

20.

_____ force is the force of the desk pushing back up on the apple, keeping it from falling through the desk and to the ground. The forces are _____ so the apple just sits there and does not move.

a)

Normal, Balanced

b)

Net Force, Balanced

c)

Friction, Balanced

21.

_____ is the total of all forces acting on an object at once.

a)

Net Force

b)

Direction

c)

Rotation

22.

When calculating Net Force all forces going the same _____ are added together.

a)

Direction

b)

House

c)

Story

23.

When calculating Net Force all forces acting in _____ directions are subtracted.

a)

opposite

b)

movie

c)

Story

24.

When solving for Net Force do following: Remember to ____ forces going in the same direction and _____ forces going in opposite directions.

a)

add, subtract

b)

divide, multiply

c)

Add, multiply

d)

Subtract and pray

25.

When Net Force is equal to _____ is is said thr forces are ______.

a)

Zero, Balanced

b)

Ten, Owed

c)

One Hundred, Money

26.

When Net Force is equal to zero it is said the forces are equal.

This means the object is in _____ and stays in _____ motion at the same speed and direction.

a)

Motion, Constant

b)

Motion, blurry

c)

One Hundred, Money

27.

What is Force?

a)

Force is a push or pull on an object.

b)
Force is a type of energy.
c)
Force is the weight of an object.
d)
Force is a measure of temperature.
28.

Contact Forces

a)

Contact forces are forces that occur when objects touch.

b)
Contact forces are the same as gravitational forces.
c)
Contact forces can occur without any physical interaction.
d)
Contact forces are only present in liquids.
29.

At-A-Distance Forces

a)
Frictional force
b)
Tension force
c)

Objects don't touch

d)
Buoyant force
30.

Examples of Contact Forces

a)

Friction, normal force, applied force

b)
Gravity
c)
Magnetism
d)
Buoyancy
31.

Examples of At-A-Distance Forces

a)

Gravitational force, electric force, and magnetic force

b)
Buoyant force
c)
Tension force
d)
Frictional force
32.

Balanced Forces Equation

a)

Net Force = ma

b)

Net Force = 0 N

c)

Net Force = 10N

d)

Net Force = -5N

33.

Balanced Forces

a)

Balanced forces have no change in motion.

b)
Balanced forces can only occur in one direction.
c)
Balanced forces always result in motion.
d)
Balanced forces are unequal in size and direction.
34.

Unbalanced Forces

a)
Unbalanced forces always maintain constant motion.
b)
Unbalanced forces have no effect on an object's speed.
c)
Unbalanced forces only act on stationary objects.
d)

Unbalanced forces cause changes in motion (speed or direction).

35.

Newton's Idea is that motion depends on _____ and _____.

a)
speed and distance
b)
time and energy
c)
acceleration and velocity
d)
force and mass
36.

Acceleration is directly proportional to __________.

a)
mass
b)
velocity
c)
distance
d)

net force

37.

Acceleration is inversely proportional to ________.

a)
mass
b)
force
c)
velocity
d)
distance
38.

For Flight you need the following forces:

a)
Lift, gravity, thrust, friction
b)
Lift, weight, acceleration, inertia
c)
Lift, weight, speed, turbulence
d)
Lift, weight, thrust, drag
39.

Lift for flight

a)
Lift is created by the tail of an aircraft.
b)
Lift is produced by the engines of an aircraft.
c)
Lift is generated by the fuselage of an aircraft.
d)

Lift is generated by the upward force from air movement over the wings of an aircraft.

40.

Gravity for Flight

a)
Gravity has no effect on flight.
b)

Gravity affects flight by requiring lift to counteract its downward pull.

c)
Gravity only affects objects on the ground.
d)
Lift is generated by gravity alone.
41.

Thrust for Flight

a)
Thrust is only needed for takeoff.
b)
Thrust decreases as altitude increases.
c)
Thrust is irrelevant to the aircraft's speed.
d)

Thrust is essential for flight as it propels the aircraft forward from the engines pushing air backwards.

42.

Drag for Flight

a)
Drag is a type of aircraft maneuver.
b)

Drag is air resistance pushing opposite to motion.

c)
Drag is a force that enhances flight.
d)
Drag is irrelevant to flight.
43.

To fly Lift must be greater than ______, and thrust must be greater than ______.

a)
drag; weight
b)
thrust; lift
c)
weight; drag
d)
weight; lift
44.

What are the 4 forces of flight:

a)
Lift, weight, thrust, drag
b)
Thrust, lift, speed, inertia
c)
Speed, altitude, turbulence, pressure
d)
Lift, speed, friction, gravity