A heavy steel cable attached to a motor is lifting a girder. The girder is speeding up. Part A.) Draw a free-body diagram for the steel cable

Part B.) Draw a free-body diagram for the girder.

Please help, I am pretty confused. Thank you!

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c

Lightning is an example of what phenomenon? a release of a large amount of energyan absorption of a large amount of energya natural electric circuita natural electric current

Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3