WorksheetsForce & Motion
Total questions: 41
Worksheet time: 1hrs 23mins
Name
Class
Date
1.
You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?
a)
60 N right
b)
10 N left
c)
60 n right
d)
50 N left
2.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
3.
__________ is the sum of all forces acting on an object. It is capable of accelerating a mass.
a)
velocity
b)
gravity
c)
net force
d)
distance
4.
What kind(s) of objects have inertia?
a)
all objects with mass
b)
only objects at rest
c)
only objects in motion
d)
only objects whose motion is being changed
5.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
6.
Friction is a force that acts
a)
in the same direction as the motion
b)
opposite to the direction of the motion
c)
opposite to the applied forces
d)
the same direction as the applied force
7.
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
8.
After a cannonball is fired into frictionless space, the amount of force needed to keep it going equals
a)
twice the force with which it was fired
b)
the same amount of force with which it was fired
c)
1/2 the force with which it was fired
d)
zero, since no force is requires to keep it moving.
9.
One object has twice as much mass as another object. The first object also has also twice as much...
a)
velocity
b)
gracitational acceleration
c)
inertia
d)
all of these
10.
Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron?
a)
feathers
b)
iron
c)
They need the same force.
d)
It depends on their friction.
11.
1000 kg is the...
a)
mass
b)
weight
c)
force
d)
acceleration
12.
20 N is the
a)
mass
b)
weight
c)
force
d)
acceleration
13.
45 m/s2 is the...
a)
Mass
b)
Force
c)
Acceleration
d)
weight
14.
Which of Newtons laws explains why football teams have big, large, fast athletes.
a)
First and second
b)
second law
c)
first law
d)
Third law
15.
Which law explains why when you put a book on a table the table pushes on the book
a)
3rd law
b)
4th law
c)
1st law
d)
2nd law
16.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
17.
If two forces act on an object in the same direction, the net force is the _____________
a)
the difference between the two forces
b)
the sum of the two forces
c)
Only one of the forces acts on the object
d)
DOOMSDAY!
18.
What is the attractive force that exists between all objects that have mass?
a)
Weight
b)
Mass
c)
Gravity
d)
Viscosity
19.
Which famous scientist were the SI units of force named after?
a)
Isaac Newton
b)
Galileo Galilei
c)
Albert Einstein
d)
Charles Darwin
20.
If these boys are pulling with the same amount of force. What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
21.
The measure of the pull of gravity on an object is ___________________.
a)
motion
b)
weight
c)
speed
d)
friction
22.
How will the acceleration of a 1kg object compare to that of a 2kg object when the same force is applied?
a)
The acceleration will be the same
b)
The 1kg object will accelerate twice as fast as the 2kg object.
c)
The 2kg object will accelerate twice as fast as the 1kg object.
d)
The 2kg object will accelerate faster.
23.
Wheels on a skateboard most likely experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
24.
Sally experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
25.
How far has the red runner gone in 3 seconds?
a)
40 yards
b)
10 yards
c)
30 yards
d)
20 yards
26.
The graph below represents
a)
Speed
b)
Velocity
c)
Acceleration
d)
Deceleration
27.
The graph represents
a)
Acceleration
b)
No motion
c)
Deceleration
d)
Constant Velocity
28.
The graph respresents
a)
No motion
b)
Constant Velocity
c)
Acceleration
d)
Deceleration
29.
The graph represents
a)
no motion
b)
Constant velocity
c)
Acceleration
d)
negative acceleration
30.
The graph represents
a)
no motion
b)
constant velocity
c)
acceleration
d)
negative acceleration
31.
What is the Net Force in this picture?
a)
40N, left
b)
40N, right
c)
20N, balanced
d)
0N, balanced
32.
What type of friction is not moving?
a)
static
b)
sliding
c)
fluid
d)
rolling
33.
Which has more Inertia? (so need more force to move)
a)
Truck
b)
Ant
c)
A cat
d)
A skateboard
34.
A force of 20 N acts upon a 5 kg block. What is it's acceleration
a)
4 m/s2
b)
100 m/s2
c)
10 m/s2
d)
5 m/s2
35.
Which law explains why a person is pushed forward into their seat belt when a car stops?
a)
1st
b)
2nd
c)
2nd and 3rd
d)
3rd
36.
The four types of friction are
a)
pushing, riding, stopping, sliding
b)
static, sliding, rolling, fluid
c)
rolling, pushing, sliding, falling
d)
smooth, stop, run, fluid
37.
Why is person B having a hard time moving down the hill?
a)
Person B has more friction than person A.
b)
Person B has the same friction as person A.
c)
Person B is out of shape.
d)
Person B has less friction has person A.
38.
A measure of how fast something moves over a certain distance is ________________.
a)
motion
b)
speed
c)
work
d)
force
39.
What is the name for a push or pull?
a)
A movement
b)
A force
c)
Speed
d)
Density
40.
What is Newton's First Law known as The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
41.
What Unit do we Measure Force in?
a)
Newtons
b)
Joules
c)
Force
d)
Don't know
100 %
