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WorksheetsForces and Motion
Total questions: 32
Worksheet time: 5hrs 6mins
Name
Class
Date
1.
Which cart will accelerate the least?
a)
an empty cart pushed with a hard force
b)
a full cart pushed with a hard force
c)
an empty cart pushed with a light force
d)
a full cart pushed with a light force
2.
The measure of the force of gravity on your body is your _________________
a)
height
b)
length
c)
weight
d)
age
3.
The force that causes a ball to fall to the ground is ____________________________
a)
gravity
b)
lubricant
c)
friction
d)
motion
4.
A _____________________ must be exerted on an object at rest to cause it to move.
a)
weight
b)
inertia
c)
force
d)
gravity
5.
A change in the position or place of an object is ___________________________
a)
gravity
b)
motion
c)
lubricant
d)
centripetal force
6.
The force that causes objects in motion to move in a curved path that is directed towards the center...
a)
friction
b)
force
c)
lubricant
d)
centripetal force
7.
The tendency of an object at rest to stay at rest unless it is acted upon by a force is ___________________
a)
inertia
b)
motion
c)
gravity
d)
lubricant
8.
A substance that reduces friction between the moving parts of machines is a ____________________
a)
glue
b)
lubricant
c)
paste
d)
oxygen
9.
Newton's 1st Law of Motion states the harder the push the faster the object will accelerate.
a)
True
b)
False
10.
Newton's 1st Law states an object at rest remains at rest, & an object in motion remains in motion unless ____________________________
a)
anti-friction occurs
b)
acted upon by an outside force
c)
it feels like stopping
11.
Which is an example of Newton's 2nd Law of Motion? (the acceleration of an object depends on the mass of the object and the force applied)
a)
flying a kite
b)
swimming - action/reaction pairs
c)
hanging a picture
d)
pushing a full shopping cart vs. pushing an empty shopping cart
12.
Which one of Newton's Laws: Whenever an object exerts a force on a second object, the second object exerts an equal force on the first.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
13.
Force = Mass x Acceleration
How much force is needed to accelerate a 130 kg (286 lbs) offensive lineman at 2 meters/sec/sec?
How much force is needed to accelerate a 130 kg (286 lbs) offensive lineman at 2 meters/sec/sec?
a)
9800 N
b)
2000 N
c)
260 N
d)
65 N
14.
Force = Mass x Acceleration
A 50 kg (110 lbs) cane corso is pushed by his owner at a rate of 5 m/s/s has how much force?
A 50 kg (110 lbs) cane corso is pushed by his owner at a rate of 5 m/s/s has how much force?
a)
55 N
b)
250 N
c)
10 N
d)
10000 N
15.
How much force is applied if an elevator is full of 300 kg worth of humans (661 lbs) and accelerates them at 3 m/s/s?
a)
100 N
b)
303 N
c)
3003 N
d)
900 N
16.
Why would you weigh less on the moon?
a)
less air
b)
less sunlight
c)
there is no water on the moon
d)
less gravitational pull
17.
What scientist proved that the acceleration of falling bodies is constant
a)
Bill Nye
b)
President Obama
c)
Galileo Galilei
d)
Steven Hawking
18.
What force caused a skateboarder on a flat sidewalk to come to a stop?
a)
grease between the wheels
b)
rolling friction between the wheels and sidewalk
c)
less gravity on the sidewalk
d)
Newton's 3rd Law of Motion
19.
What force kept the penny spinning in the balloon on a circular path?
a)
Force Awakens
b)
Centripetal Force
c)
Projectile motion
d)
Accelertion
20.
Force is measured in what SI (Standard international) unit of measurement?
a)
Nuggets
b)
Net Force
c)
Newtons
d)
News
21.
Acceleration is measured in what SI unit?
a)
m/s
b)
kg or grams
c)
Newtons
d)
m/s/s
22.
Acceleration is a force
a)
True: acceleration is the force applied
b)
False: acceleration is the rate of change in velocity
23.
Why does a crumpled piece of paper land before a flat sheet of paper?
a)
Gravity exerts more force on the crumpled paper.
b)
There is more air resistance on the flat paper.
c)
The crumpled paper is heavier (has more mass)
d)
The crumpled paper is lighter (less mass).
24.
Why does a ball thrown horizontally follow a path that is curved downward?
a)
There is no acceleration on the ball.
b)
The ball is accelerated in the horizontal direction only.
c)
The ball is accelerated by gravity in the vertical direction only
d)
The ball is accelerated in both the vertical and horizontal directions.
25.
Why do astronauts in an orbiting spacecraft seem weightless?
a)
Nothing produces gravity in space.
b)
The astronauts and the ship are in free fall together.
c)
The astronauts have no mass in space.
d)
The astronauts have no mass in space.
26.
If a tennis ball, a baseball, and a golf ball are dropped together from a high place, which ball will land first?
a)
They land at the same time
b)
The baseball lands first.
c)
The golf ball lands first
d)
The tennis ball lands first.
27.
Orbital motion is a combination of forward motion and
a)
frictional resistance
b)
horizontal acceleration
c)
free fall
d)
weightlessness
28.
Which of the following is not an action/reaction force pair?
a)
the forces between a bat and ball
b)
the attractive force between a falling ball and Earth
c)
the force of propulsion and the force of gravity on an airplane
d)
the forces between a grasshopper and the ground
29.
This is the constant velocity of a falling object when the force of gravity is balanced by the force of air resistance.
a)
terminal velocity
b)
inertia
c)
the law of conservation of momentum
d)
Newton's third law of motion
30.
The acceleration of an object depends on the mass of the object and the amount of force applied.
a)
Newton's first law
b)
Newton's second law
c)
Newton's third law
d)
Inertia
31.
All objects tend to resist any change in motion.
a)
Inertia
b)
Newton's third law
c)
Newton's second law
d)
terminal velocity
32.
Which label represents the path of free fall for the spacecraft?
a)
A
b)
B
c)
C
d)
D
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