Contact forces are actions that take place only when objects are touching each other. Non-contact forces are actions that can take place whether objects are touching or not.When Martha pushes a shopping cart, what kind of force is she applying to the cart? A. Martha is not applying any type of force. B. Martha is applying a non-contact force. C. Martha is applying both contact and non-contact forces. D. Martha is applying a contact force.

Contact forces are actions that take place only when objects are touching each other. Non-contact forces are actions that can take place whether objects are touching or not.Which of the following is a non-contact force? A. air resistance B. impact force C. gravity D. pushing

Contact forces are actions that take place only when objects are touching each other. Non-contact forces are actions that can take place whether objects are touching or not.When Javier uses a magnet to attract metal screws, what kind of force is acting between the magnet and the screws? A. A contact force is acting between the magnet and the screws. B. Contact and non-contact forces are acting between the magnet and the screws. C. No force is acting between the magnet and the screws. D. A non-contact force is acting between the magnet and the screws.

Explain the difference between contact forces and non-contact forces. Give an example of each.

Which of the following is a type of contact force?MagneticNormal reactionGravitationalElectrostatic2Which of the following is a type of non-contact force?TensionElectrostaticFrictionAir resistance

When a person pulls a wagon, the person puts a force on the wagon that makes it move.The force of a person pulling a wagon is an example of _______. A. a gravitational force B. an electrical force C. a contact force D. a noncontact force