Which one of these are non-contact forces

friction

gravity

normal force

pushing force

Two utility vehicles at a 90 degree angle to each other try to pull a third vehicle out of the snow. If one utility vehicle exerts a force of 600 Ib and the other exerts a force of 800 Ib, what is the resulting force on the vehicle stuck in the snow?

How much work will it take to lift a 5-kg grocery bag 1 meter onto the counter? O A. 24.5J O B. 49 J O C. 53 O D. 9.8 J

What is the SI Unit for amplitude?

if you held a stone over the mouth of a well and then let it go, what would happen to the stone? Explain your answer.

Total internal reflection occurs when the angle of incidence

What captures energvy from sunlight during photosynthesis

The scientific theories developed by copernicus galileo and newton resulted in

How could you find out which wire is broken in a cable?

Which block has more thermal energy? if the blocks are placed in thermal contact, will the thermal engery of the blocks change?

What is long term potentiation