Two blocks are connectedby a very light string passing overa massless and frictionless pulley. Traveling at constantspeed, the 20.0 N block moves75.0 cm to the right and the 12.0 Nblock moves 75.0 cm downward.(a) How much work is done onthe 12.0 N block by (i) gravityand (ii) the tension in the string?(b) How much work is done on the 20.0 N block by (i) gravity, (ii) thetension in the string, (iii) friction, and (iv) the normal force? (c) Find thetotal work done on each block.
Two blocks are connectedby a very light string passing overa massless and frictionless pulley. Traveling at constantspeed, the 20.0 N block moves75.0 cm to the right and the 12.0 Nblock moves 75.0 cm downward.(a) How much work is done onthe 12.0 N block by (i) gravityand (ii) the tension in the string?(b) How much work is done on the 20.0 N block by (i) gravity, (ii) thetension in the string, (iii) friction, and (iv) the normal force? (c) Find thetotal work done on each block.
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Question
Two blocks are connected
by a very light string passing over
a massless and frictionless pulley
. Traveling at constant
speed, the 20.0 N block moves
75.0 cm to the right and the 12.0 N
block moves 75.0 cm downward.
(a) How much work is done on
the 12.0 N block by (i) gravity
and (ii) the tension in the string?
(b) How much work is done on the 20.0 N block by (i) gravity, (ii) the
tension in the string, (iii) friction, and (iv) the normal force? (c) Find the
total work done on each block.
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