Which of the four fundamental forces is mainly responsible for contact forces? a. gravity b. weak nuclear force c. electromagnetic force d. strong nuclear force

Which magnetic property best describes a magnet’s ability to act at a distance? magnets are dipolar. magnets attract only certain objects. magnets have magnetic fields. magnets can transfer their properties to certain materials.

What was the purpose of the apollo program? to put a man in orbit to launch a spy satellite to launch a space station to put man on the moon

The inner planets or call terrestrial because they