WorksheetsUniversal forces
Total questions: 22
Worksheet time: 11mins
Which of the following is NOT one of the four universal forces?
Electromagnetic
Rotational
Strong nuclear
Gravitational
Weak nuclear
Each of the four universal forces is affected by the distance between the particles of matter
True
False
What is electromagnetic force associated with?
Electricity
An atom
Charged particles
The air
What are the only forces that can both attract and repel?
Magnetic and atomic forces
Electric and atomic forces
Magnetic and static forces
Electric and magnetic forces
Objects with like charges repel one another
True
False
What are the two forces that act within the nucleus to hold it together?
Weak nuclear forces
Nonexistent nuclear forces
Strong nuclear forces
Heavy nuclear forces
What is a powerful force of attraction that acts only on the neutrons and protons in the nucleus, holding them together?
Nucleus force
Proton force
Strong nuclear force
Weak nuclear force
The weak nuclear force is an attractive force that DOES NOT act only over a short range
True
False
What is the weakest universal force, but is so much a part of your life that you probably take it for granted?
Atoms
Electricity
Magnetic
Gravity
What is gravitational force?
An attractive force that acts between any two masses
A force that is with only one object
An attractive force with one mass
A force between only five masses
What does Newton's law of universal gravitation state?
No objects in the universe attract each other
Only a few objects in the universe attract each other
Only 100 objects in the universe attract each other
Every object in the universe attracts every other object
It takes a huge mass to exert a large gravitational force
True
False
The greater the ________ of the objects, the greater is the gravitational force.
Distance
Mass
Speed
Rotation
What is the most effective force over long distances?
Electromagnetic
Speed
Gravity
Visibility
Earth's gravitational attraction keeps the moon in a nearly circular orbit around Earth.
True
False
What is a center-directed force that continuously changes the direction of an object to make it move in a circle?
Centripetal force
Circular force
Electromagnetic force
Rotational force
What causes the level of the tide changes at the beach throughout the day?
The Earth tilting
The animals pushing the water
Gravitational pull from the moon
The Earth shaking
___________ are launched into orbit by a rocket or space shuttle.
Astronauts
Artificial satellites
Meteors
Planets
The satellite only needs the ___________ force provided by gravity and its inertia to maintain its orbit.
Orbiting
Circular
Centripetal
Gravitational
How many artificial satellites are currently orbiting Earth?
Hundreds
Two
Zero
A million
What are three things that satellites do?
Watch people on Earth
Create detailed radar maps of Earth's surface
Use telescopes to gaze deep into space
Destroy meteors before they hit Earth
Study Earth's climate
Some ___________ receive and transmit radio and microwave signals.
People
Planets
Satellites
Comets
