WorksheetsGravity Force
Total questions: 20
Worksheet time: 17mins
Name
Class
Date
1.
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
2.
The force of gravity acting on an object is the object's ______.
a)
Mass
b)
Matter
c)
Weight
d)
Terminal velocity
3.
You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.
a)
20N
b)
40N
c)
10N
d)
70N
4.
What is the force acting between any two objects in the known universe all the time?
a)
Gravitational Force
b)
Force of Friction
c)
Normal Force
d)
Electromagnetic Force
5.
To calculate net force, when forces are acting in the same direction, the forces are ...
a)
added
b)
subtracted
c)
mutiplied
d)
divided
6.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger
b)
smaller
c)
equal
7.
What type of fluid friction acts on an object moving through the air?
a)
Friction
b)
Normal Force
c)
Gravity
d)
Air resistance
8.
To calculate net force, when forces are acting in opposite directions, the forces are ...
a)
added
b)
subtracted
c)
multiplied
d)
divided
9.
Imagine you travel to another planets. What will change as you walk around the surface of the planet- your mass or your weight?
a)
Mass
b)
Weight
c)
Both
d)
Neither
10.
Friction is a force that acts in a(n) ___________ direction relative to a moving object.
a)
similar
b)
opposite
c)
parallel
d)
perpendicular
11.
What is the unit that measures force?
a)
Weight
b)
Net force
c)
Newton
d)
Kilogram
12.
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.
13.
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.
14.
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.
15.
Which of the following will not change in different gravitational fields?
a)
weight
b)
force
c)
mass
d)
pounds
16.
When does a falling object experienced balanced forces?
a)
When it reaches terminal velocity
b)
During free fall
c)
When it first starts to fall
d)
When it bounces up after hitting the ground
17.
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
18.
The main reason a baseball comes down when a boy tosses it up into the air is —
a)
magnetism is pulling the ball down
b)
the boy cannot see to catch it
c)
gravity is pulling down on the ball
d)
gravity pushes the ball in the air
19.
What is friction?
a)
It is a resistance force
b)
Friction does not exist
c)
It is an imaginary force
d)
It is red
20.
How do you lower the friction force?
a)
By a smooth surface
b)
By a rough surface
c)
By not pushing hard
d)
By pushing down
100 %
