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Forces & Motion

Total questions: 37

Worksheet time: 20mins

Name
Class
Date
1.

The location of an object in relation to a nearby object or place is called . . .

a)

reference point

b)

motion

c)

position

d)

frame of reference

2.

A change in position is called . . .

a)

position

b)

frame of reference

c)

reference point

d)

motion

3.

You can measure time in . . .

a)

hours (hr)

b)

minutes (min)

c)

seconds (sec)

d)

all of the above

4.

The speed of an object in a particular direction is called . . .

a)

speed

b)

velocity

c)

acceleration

d)

force

5.

A push or pull on matter from all directions is called . . .

a)

speed

b)

velocity

c)

acceleration

d)

force

6.

What is a force?

a)

something Darth Vadar has

b)

a push or a pull

c)

something you can see

7.

Force is measured in...

a)

lbs

b)

m/s2

c)

grams

d)

newtons

8.

To calculate forces that are in the same direction you..

a)

subtract them

b)

add them

c)

multiply them

d)

divide them

9.

To calculate forces that are in opposite directions you...

a)

add them

b)

subtract them

c)

multiply them

d)

divide them

10.

The unbalanced force that opposes motion is known as...

a)

friction

b)

force

c)

push or pull

d)

the tires on a car

11.

An object in motion/rest stays in motion/ rest.... is what law?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

12.

The force of an object depends on mass and acceleration.... is what law?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

13.

For every action there is an equal and opposite reaction is stated by what law?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

14.

What is the equation for force?

a)

E=mc2

b)

F=ma

c)

Q=mv3

15.

Inertia is...

a)

an objects ability to change direction

b)

an objects ability to move

c)

forces depend on the mass and weight of the object

d)

an objects tendency to resist change in motion

16.
An object at rest will _______ if no outside forces are applied.
a)
Stay at rest
b)
Increase Velocity
c)
Decrease Mass
17.
A greater applied force is required to move an object with a greater mass than one with a smaller mass.
a)
True
b)
False
18.
The SI units for force are...
a)
Kilograms
b)
Newtons
c)
Meters per second
d)
Pounds
19.
If a baseball and a cannonball are dropped from the same height at the same time, which ball will hit the ground first?
a)
the cannonball
b)
the baseball
c)
The balls land at the same time.
d)
the ball with the larger volume
20.
A crumpled piece of paper hits the ground before a flat sheet of paper because
a)
the acceleration of gravity is greater on the  crumpled paper.
b)
there is more air resistance against the flat paper.
c)
the crumpled paper is more massive
d)
the crumpled paper is less massive.
21.
According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will
a)
remain in motion.
b)
eventually come to a stop.
c)
change its momentum.
d)
accelerate.
22.
For a force on an object there is an equal and opposite force.
a)
Newton’s first law of motion
b)
Newton’s second law of motion
c)
Newton’s third law of motion
23.
Without any force to change it, an object at rest stays at rest and an object in motion stays in motion
a)
Newton’s first law of motion
b)
Newton’s second law of motion
c)
Newton’s third law of motion
24.
Acceleration is caused by a force acting on a mass.
a)
Newton’s first law of motion
b)
Newton’s second law of motion
c)
Newton’s third law of motion
25.
Friction is a force that acts in a(n) ___________ direction relative to a moving object.
a)
similar
b)
opposite
c)
parallel
d)
perpendicular
26.
What type of friction acts on an object that is not yet moving?
a)
Static
b)
Dynamic
c)
kinetic
d)
Rolling
27.
The wheels on a moving skateboard most likely experience ____________.
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
28.
These swimmers are most likely experiencing _________.
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
29.
As the child moves down the slide, they mostly experience the effect of ___________.
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
30.
How would the absence of friction affect a marble traveling on a long, straight path?
a)
The marble’s speed would decrease.
b)
The marble’s speed would increase.
c)
The marble would stop immediately. 
d)
The marble would remain at a constant speed.
31.
Which of the following is an example of rolling friction?
a)
pushing a box across the floor
b)
riding a bike down a hill
c)
a hockey player skidding to a stop
d)
a soccer player making a slide tackle 
32.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance 
b)
mass and volume
c)
distance and weight 
d)
weight and mass
33.
As mass increases, what happens to the gravitational force?
a)
It increases.
b)
It decreases.
c)
It stays the same.
d)
It acts as a 3rd degree derivative function.
34.
As the distance between 2 objects increases, what happens to gravitational force?
a)
It increases.
b)
It decreases.
c)
It stays the same.
d)
Only Mr. Silvio knows what will happen.
35.
Which of the following will not change in different gravitational fields?
a)
weight
b)
force
c)
mass
d)
pounds
36.
An object is falling but it is not accelerating. What do you know?
a)
Gravity is stronger than air resistance.
b)
Air resistance is stronger than gravity.
c)
Air resistance is equal to gravity.
d)
The forces of air resistance and gravity are unbalanced.
37.
What is the rate at which Earth's gravity accelerates objects in free fall?
a)
9.8 m/s2
b)
3.14159 km/hr/s
c)
13.7 m/s2
d)
42 km/h/s

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