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WorksheetsForces-Conceptual Physics
Total questions: 45
Worksheet time: 33mins
Name
Class
Date
1.
In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the resultant force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
2.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
3.
The force that opposes the motion of two surfaces sliding past each other is called ___________.
a)
acceleration
b)
inertia
c)
friction
d)
unbalanced
4.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
5.
What is the unit of force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
6.
What is the net force
a)
10 N
b)
0 N
c)
25 N
d)
1 N
7.
What is a friction force that acts on an object but is not moving?
a)
Centripetal Force
b)
Sliding Friction
c)
Electromagnetic Force
d)
Static Friction
8.
What is a fluid friction acting on an object that is moving through the air?
a)
Gravity
b)
Fluid Friction
c)
Air resistance
d)
Sliding Friction
9.
What is it called when the force of gravity is acting on an object?
a)
Weight
b)
Sliding Friction
c)
Momentum
d)
Projectile Motion
10.
What is the attraction between two objects because of their mass?
a)
Inertia
b)
Gravity
c)
Gravitational Force
d)
Weight
11.
What is the overall force acting on an object after all forces are combined.
a)
Sliding Friction
b)
Inertia
c)
Weight
d)
Net Force
12.
Describe the forces and motion at Section 2 of the track.
a)
Balanced forces, Constant Speed
b)
Balanced Forces, Acceleration
c)
Unbalanced Forces, Constant Speed
d)
Unbalanced Forces, Acceleration
13.
What force causes the acceleration at Section 4?
a)
Force of Gravity Increases the Speed
b)
Force of Gravity Decreases the Speed
c)
Force of Friction Increase the speed
d)
Force of Wind resistance Increases the Speed
14.
A wheeled cart is moving to the right at a constant speed. Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?
a)
Balanced Forces, Constant Speed
b)
Balanced Forces, Acceleration
c)
Unbalanced Forces, Constant Speed
d)
Unbalanced Forces, Acceleration
15.
How will this object move?
a)
It won't move.
b)
It will move to the right.
c)
It will move to the left.
d)
It will move up.
16.
How will this object move?
a)
It won't move.
b)
It will move to the right.
c)
It will move to the left.
d)
It will move in both directions.
17.
What is the net force?
a)
30 N left
b)
25 N right
c)
5 N left
d)
55 N right
18.
A ____________ is a push or a pull on an object.
a)
chemical
b)
force
c)
magnet
d)
gravity
19.
___________ is the amount of matter in an object.
a)
mass
b)
weight
c)
volume
d)
force
20.
On which surface would friction be the greatest?
a)
carpet
b)
ice
c)
snow
d)
satin
21.
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
22.
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
23.
Does mass differ from weight?
a)
Yes- they are very different!!
b)
No- they can be interchanged
c)
I am not sure- I have more studying to do before Friday!!
24.
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
25.
------->14N -------->3N -------->15N
a)
23N
b)
48N
c)
2N
d)
32N
26.
As distance separating the objects increases the force
a)
increases
b)
decreases
c)
stays the same
27.
Two asteroids exert a gravitational force, F, on each other. Some time later, the asteroids are now three times as far from each other as before. Which of the following represents the gravitational force at this distance?
a)
F/3
b)
F/2
c)
F/6
d)
F/9
28.
Two comets are orbiting each other with same force. Then they are moved a distance 3x away. What is the new force
a)
F/3
b)
F/9
c)
F/2
d)
F/6
29.
The amount of friction depends on the weight of the objects pressing together.
a)
True
b)
False
30.
The rougher the surface, the faster an object will travel over the surface.
a)
True
b)
False
31.
A student moves a box with 10 N up and 5 N right. What is the net force on the box
a)
11.2 N Up and to the Right
b)
11.2 N Down and to the Left
c)
11.2 N Up and to the Left
d)
11.2 N Up and Down
32.
What is the Universal law of gravitation equation?
a)
G=F ⋅ m⋅m2/r2
b)
F=G ⋅ m⋅m2/(r)2
c)
F=G ⋅ r2/m⋅m2
d)
G=F ⋅ r2/m⋅m2
33.
If I double the mass of one object, but don't change anything else... WHat happens to the gravitational force between two objects?
a)
Doubles
b)
Quadruples
c)
Cut in Half
d)
4x Smaller
34.
Find the force of gravity (Fg) for two objects with:
m1 = 100 kg
m2 = 1000 kg
d = 500 m
m1 = 100 kg
m2 = 1000 kg
d = 500 m
a)
2.67 * 10-11 N
b)
0.4 N
c)
6.67 * 10-11 N
d)
1.3 * 10-8 N
35.
Find the distance between two objects with:
m1 = 4500 kg
m2 = 8700 kg
Fg = 2 * 10-8 N
m1 = 4500 kg
m2 = 8700 kg
Fg = 2 * 10-8 N
a)
130565.25 m
b)
361.34 m
c)
0.19575 m
d)
0.783 m
36.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
37.
Name the missing force...
a)
applied force
b)
weight force
c)
lift
d)
normal force
38.
Name the missing force...
a)
tension force
b)
frictional force
c)
normal force
d)
spring force
39.
Name the missing force...
a)
frictional force
b)
weight force
c)
thrust
d)
buoyant force
40.
Name the missing force...
a)
normal force
b)
applied force
c)
frictional force
d)
tension force
41.
8 N to the left , and 4 N to the right. Find the net force. Is this balanced
a)
12 N Right No
b)
4 N Left No
c)
12 N Right Yes
d)
4 N Left Yes
42.
Find the net force: 15 N to the right, and another 15 newtons to the right.
a)
0 N Right
b)
0 N Left
c)
30 N Left
d)
30 N Right
43.
If there are two forces going in the same direction how would you find the net force?
a)
Subtract
b)
Add
c)
Neither
d)
Multiply
44.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger
b)
smaller
c)
equal
45.
What is the unit of measurement for force?
a)
AMP
b)
Seconds
c)
Newtons
d)
Miles
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