WorksheetsGravity Friction and Forces
Total questions: 33
Worksheet time: 22mins
Name
Class
Date
1.
___________________ is affected by the distance between the objects and the amount of mass.
a)
friction
b)
force
c)
weight
d)
gravity
2.
A force that causes no change in motion
a)
friction
b)
balanced
c)
unbalanced
d)
kinetic
3.
The force that opposes motion between surfaces in contact is
a)
gravity
b)
balanced force
c)
friction
d)
static friction
4.
Forces are described by their ....
a)
balanced and unbalanced
b)
strength & direction
c)
mass and distance
d)
roughness and force
5.
A combination of all forces acting on an object is its _______________.
a)
gravity
b)
net force
c)
newtons
d)
mass
6.
_______________ is the measure of the amount of gravity acting on an object
a)
mass
b)
weight
c)
net force
d)
newtons
7.
_____________ is the amount of matter that an object has
a)
newtons
b)
mass
c)
gravity
d)
force
8.
As mass increases; gravity ________________.
a)
increases
b)
decreases
9.
Which of the following shows the direction of the friction force?
a)
A
b)
B
c)
C
d)
D
10.
As distance ___________, gravity _______________.
a)
increases, increases
b)
increases, decreases
11.
The force that attracts objects due to their mass is
a)
friction
b)
gravity
c)
unbalanced force
d)
weight
12.
Newton's _____ Law of Motion means that for every force there is a reaction force that is equal in size, but opposite in direction.
a)
First
b)
Second
c)
Third
d)
Fourth
13.
Acceleration due to gravity, g, is ____ m/sec2.
a)
4.9
b)
9.8
c)
19.6
d)
39.2
14.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion.
d)
Friction
15.
A(n) __________ is a push or pull.
a)
newton
b)
acceleration
c)
force
d)
momentum
16.
T/F: Fluid friction between an object and air is called air resistance.
a)
True
b)
False
17.
The upward force on an object falling through the air is ______.
a)
air resistance
b)
inertia
c)
gravity
d)
terminal velocity
18.
The unit of force is ______.*
a)
grams
b)
liters
c)
newtons
d)
kilograms
19.
Gravitational force exerted on an object
a)
mass
b)
weight
c)
gravity
d)
force
20.
True or False:
Free fall is fall due ENTIRELY to gravity
Free fall is fall due ENTIRELY to gravity
a)
true
b)
false
21.
True or false if there were no friction it would be impossible to perform most everyday task
a)
true
b)
false
22.
the final maximum velocity of a falling object is called
a)
final velocity
b)
terminal velocity
c)
maximum velocity
d)
scary
23.
Which of the following is an example of friction that is helpful?
a)
Brakes used on a bike
b)
Tires from a car on the road
c)
Tread on the bottom of your shoes
d)
All are examples that are helpful
24.
The rougher the surface, the faster an object will travel over the surface.
a)
True
b)
False
25.
Wheels on a skateboard most likely experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
26.
Sally experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
27.
Wheels of a shopping cart experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
28.
Swimming fish experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
29.
What are 2 factors that determine the amount of friction between 2 objects?
a)
Force and roughness between surfaces
b)
hills and valleys and how smooth or rough the surface is
c)
Amount of force and amount of surface the comes in contact
d)
The force and the weight exerted on the surfaces
30.
The momentum of an object depends upon the object's ___________&_____________.
a)
size and shape
b)
mass and speed
c)
mass and veloctiy
d)
mass and energy
31.
Which has more momentum: a car at a stop light or a bike moving at 15 mph?
a)
car
b)
bike
c)
they are equal
d)
cannot determine using the info provided
32.
The definition of momentum is
a)
A measure of how difficult it is to stop an object
b)
The size of an object
c)
The velocity of an object
d)
A comparison between the speed of two objects
33.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
100 %
