WorksheetsPhysical Forces
Total questions: 40
Worksheet time: 49mins
Name
Class
Date
1.
Which force pushes against the airplane in the air?
a)
Drag
b)
Gravity/Weight
c)
Lift Force
d)
Thrust Force
2.
Which force pushes down on the airplane in the air?
a)
Drag
b)
Gravity
c)
Lift Force
d)
Thrust Force
3.
A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
4.
Joanna drives for 400km at an average speed of 80km/h. How long was her journey?
a)
Joanna's journey was 5hrs long
b)
Joanna's journey was 10hrs long
c)
Joanna's journey was 20hrs long
d)
Joanna's journey was 15hrs long
5.
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.
6.
What is the net force?
a)
30 N left
b)
25 N right
c)
5 N left
d)
55 N right
7.
Acceleration of an object happens when things ________
a)
slow down
b)
go faster
c)
change direction (turn)
d)
All of the above
8.
What force pulls an object to the ground?
a)
gravity
b)
acceleration
c)
deceleration
d)
net force
9.
What is the unit for force?
a)
watt
b)
kilogram
c)
Newton
d)
miles per hour
10.
What type of friction acts on the tire of a car?
a)
Sliding friction
b)
Static friction
c)
rolling friction
d)
fluid friction
11.
Sally experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
12.
Swimming fish experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
13.
Which type of friction occurs when an object moves through a liquid or gas?
a)
sliding
b)
fluid
c)
static
d)
rolling
14.
Objects balanced on Timmy's head experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
15.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
16.
A train travels 25 km in .5 hrs. How fast is the train going?
a)
25 miles/hr
b)
5 miles/hr
c)
125 km/hr
d)
50 km/hr
17.
What is the speed of a car that travels 400 m in 20 minutes?
a)
20 miles/hr
b)
20 m/min
c)
800 m/min
d)
200 miles/hr
18.
What is the equation to calculate time?
a)
time = speed/distance
b)
time = distance/speed
c)
time = speed x distance
d)
time = distance x speed
19.
Which of the following is a unit of speed?
a)
km/hr
b)
hr
c)
km
d)
s
20.
Mr. Rudman drives his race car for 4 hrs at 150 miles/hr. How far will he travel?
a)
600 km
b)
60 miles
c)
6 miles
d)
600 miles
21.
A car accelerates from a standstill to 70 m/s in 10 seconds. What is the acceleration?
a)
0.7m/s2
b)
7m/s2
c)
14m/s2
d)
none of the above
22.
A dog runs with an initial speed of 7.5 m/s on a waxed floor. It slides to a stop in 15 seconds. What is the acceleration?
a)
-7.5 m/s
b)
-7.5 m/s2
c)
-0.5 m/s2
d)
7.5 mi//hr
23.
What type of force is this?
a)
Magnetic
b)
Gravitational
c)
Frictional
d)
Normal
24.
counter force exerted by an elastic material when it is stretched or compressed
a)
elastic force
b)
elasticity
c)
spandex
d)
superstretchy
25.
What does the strength of gravity between two objects depend upon?
a)
Mass & distance
b)
Mass & weight
c)
Gravity & inertia
d)
Inertia & mass
26.
What two quantities must I know to calculate something's speed?
a)
time and weight
b)
position and distance
c)
distance and time
d)
distance and speed
27.
This type of force is when one object pushes or pulls on another object by touching it
a)
contact
b)
gravity
c)
friciton
28.
If the net force is equal to zero, the forces acting on the object are
a)
balanced
b)
unbalanced
29.
Balanced forces do not change the objects speed or
a)
direction
b)
distance
c)
time
d)
mass
30.
What force stretches a material apart?
a)
Compression
b)
tension
c)
squeezing
d)
none of the above
31.
___________________ is the force that Pushes things together
a)
Compression
b)
Tension
c)
Bending
d)
Twisting
32.
An electron moving in wire is an example of ____________.
a)
Gravity
b)
Electromagnetism
c)
Strong Nuclear
d)
Weak Nuclear
33.
_____________ is the force that binds protons together in the nucleus of an atom.
a)
Gravity
b)
Electromagnetism
c)
Strong Nuclear
d)
Weak Nuclear
34.
Which is a factor that affects the strength of gravitational, magnetic, and electrostatic force fields?
a)
Mass
b)
Volume
c)
Distance
d)
Density
35.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
36.
If the net force is equal to zero, the forces acting on the object are
a)
balanced
b)
unbalanced
37.
Jupiter has about 317 times more mass than Earth. What can you infer from this fact?
a)
That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.
b)
That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
c)
That Jupiter’s and Earth’s gravitational forces are equal.
d)
Mass has no effect on the gravitational force between two objects
38.
The energy associated with motion is called
a)
force
b)
kinetic energy
c)
potential energy
d)
nuclear energy
39.
Unlike kinetic energy, potential energy is
a)
energy of motion
b)
not measureable
c)
conserved
d)
stored
40.
Energy stored in the nucleus of an atom is called
a)
electromagnetic energy
b)
nuclear energy
c)
mechanical energy
d)
magnetic energy
100 %
