jordynnolan jordynnolan

01-05-2020
Physics

contestada

11. Which of the following forces is a contact force? *
A. Gravity
B. Friction
C. Magnetism
D. Electricity

Respuesta :

mcarolynsilva mcarolynsilva

01-05-2020

Answer:

B

Explanation:

Gravity is an invisible force, and so is magnetism and electricity. Friction involves the rubbing of things together to create energy.

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01-05-2020

Answer:

B

Explanation:

Friction is the force that you feel whenever you try to drag an object across a surface. Like a box along the floor, or your hand across a counter-top. It requires two objects to be in direct contact with each other (don't worry about air friction AKA "drag").

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