SOLVED
5) A person pulls on a 50 kg desk w/ a 200N force acting at a 30Á angle above the horizontal. The desk does not budge.
a) Write the equation that describes the forces which act in the x-direction.
b) Write the equation that describes the forces which act in the y-direction.
c) Determine the x and y components of the force of tension.
d) Determine the values of the frictional and normal forces.
6) Suppose the person were PUSHING down at a 30Á angle with 200N of force. The desk still does not move.
a) Write the equation that describes the forces which act in the x-direction.
b) Write the equation that describes the forces which act in the y-direction.
c) Determine the values of the frictional and normal forces.
Answers: 3
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How do hydroponic plants differ from nonhydroponic plants? a.) hydroponic plants can grow in a dryer soil. nonhydroponic plants grow in moist soil. b.) hydroponic plants grow on other plants and are known as air plants. nonhydroponic plants do not grow on other plants. c.) hydroponic plants can only grow in rain forests. nonhydroponic plants cannot grow in rain forests. d.) hydroponic plants are grown without soil. nonhydroponic plants are grown in soil.
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Decreased sensitivity to an unchanging stimulus is known as
Answers: 3
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5) A person pulls on a 50 kg desk w/ a 200N force acting at a 30Á angle above the horizontal...
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