A student made the table shown to list some contact and non-contact forces.
Examples of Forces
Contact Forces Non-Contact Forces
The force exerted by a stretched spring The force applied by Earth and sun on each other
The electrical force exerted by a positive charge on a negative charge Magnetic attraction between two magnets
Which statement best explains why the table is incorrect?
Spring force is a force acting at a distance.
Electrical force is not a contact force.
Gravitational force can act between planets and sun only when they are in contact.
Magnetic attraction is a contact force
Answers: 2
Chemistry, 21.06.2019 18:00
When the following equation is balanced using the smallest possible integers, what is the coefficent of oxygen gas? c7h16o(g) + o2(g) β co2(g) + h2o(g) -1 -5 -8 -16 -21
Answers: 3
Chemistry, 22.06.2019 22:00
Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 Γ 10-4 millimeters. express each number in an alternate form.
Answers: 1
Chemistry, 22.06.2019 22:30
Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.
Answers: 3
A student made the table shown to list some contact and non-contact forces.
Examples of Forces
Mathematics, 08.07.2019 19:00
History, 08.07.2019 19:00
Social Studies, 08.07.2019 19:00
History, 08.07.2019 19:00
Biology, 08.07.2019 19:00
History, 08.07.2019 19:00
History, 08.07.2019 19:00
Mathematics, 08.07.2019 19:00