WorksheetsGravity
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Forces that have a net force of zero and the object's movement is not effected.
a)
Balanced Forces
b)
Unbalanced Forces
2.
What type of fluid friction acts on an object moving through the air?
a)
friction
b)
terminal velocity
c)
gravity
d)
air resistance
3.
To calculate net force, when forces are acting in opposite directions, the forces are ...
a)
added
b)
subtracted
c)
multiplied
d)
divided
4.
Forces with have a net force of some value and the object's movement is effected.
a)
balanced forces
b)
unbalanced forces
5.
What is the SI unit used to measure force?
a)
pounds
b)
grams
c)
newtons
d)
kg/ m2
6.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger
b)
smaller
c)
equal
7.
The type of friction that occurs when two surfaces slip past each other describes...
a)
static friction
b)
sliding friction
c)
rolling friction
d)
fluid fiction
8.
The speed an object reaches when the force of gravity is balanced by the force of air resistance is called _____
a)
acceleration
b)
terminal velocity
c)
free fall
d)
resultant velocity
9.
Pressing on the brakes when driving is an example of...
a)
sliding friction
b)
static friction
c)
rolling friction
d)
fluid friction
10.
What is a friction force acting on an NON- moving object.
a)
static friction
b)
fluid friction
c)
rolling friction
d)
sliding Friction
11.
What is a friction force acting upon an object on wheels?
a)
static
b)
sliding
c)
rolling
d)
fluid
12.
Who said that falling objects fall at the same rate?
a)
Galileo
b)
Kepler
c)
Brahe
d)
Copernicus
13.
Who created the Universal Law of Gravitation?
a)
Copernicus
b)
Newton
c)
Kepler
d)
Galileo
14.
What is the value of g on Earth?
a)
9.81 m/s^2
b)
9.81 N
c)
9.81 m
d)
9.81 s/m^2
15.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance
b)
mass and matter
c)
distance and weight
d)
weight and mass
16.
What is the SI unit used to measure weight?
a)
grams
b)
Liters
c)
pounds
d)
newtons
17.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight
d)
terminal velocity
18.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
d)
I don't care
19.
Free-falling objects on Earth in a vacuum fall at a rate of...
a)
98 m/s
b)
9.8 mm/s
c)
9.8 m/s/s
d)
9..8 m/s
20.
Any object with mass is surrounded by a gravitational field.
a)
True
b)
Fallse
c)
False
d)
Tru
100 %
