1. What is the moment of inertia of a 2.5 kg long uniform rod with length of 2.5 meters. The axis of rotation is located at the center of the rod.

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Chapter1: Units, Trigonometry. And Vectors
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1. What is the moment of inertia of a 2.5 kg long uniform rod with
length of 2.5 meters. The axis of rotation is located at the center
of the rod.
2. An object has a mass of 150 grams is connected to one end of
the roped with a length of 40-centimeters. What is the moment of
inertia of the object about the axis of rotation AB? Ignore the
rope's mass.
11
B
3. The mass of each object is 200 grams, connected by a rope.
The length of the rope is 50 cm. What is the moment of inertia of
the object about the axis of rotation? Ignore the rope's mass.
m.
4. A 4-meter long uniform ladder weighing 200 N is leaning
against the wall at an angle of 60 degrees along the horizontal.
Calculate the force on the ladder exerted by the floor and the wall.
5. Two girls are sitting on a 7-meter see-saw. Girl A weighs 200
N and sits 3.5 m away from the fulcrum while Girl B weighs 400
N. Calculate how far should Girl B sit from the fulcrum to balance
the see-saw. Neglect the mass of the see-saw.
A
Transcribed Image Text:1. What is the moment of inertia of a 2.5 kg long uniform rod with length of 2.5 meters. The axis of rotation is located at the center of the rod. 2. An object has a mass of 150 grams is connected to one end of the roped with a length of 40-centimeters. What is the moment of inertia of the object about the axis of rotation AB? Ignore the rope's mass. 11 B 3. The mass of each object is 200 grams, connected by a rope. The length of the rope is 50 cm. What is the moment of inertia of the object about the axis of rotation? Ignore the rope's mass. m. 4. A 4-meter long uniform ladder weighing 200 N is leaning against the wall at an angle of 60 degrees along the horizontal. Calculate the force on the ladder exerted by the floor and the wall. 5. Two girls are sitting on a 7-meter see-saw. Girl A weighs 200 N and sits 3.5 m away from the fulcrum while Girl B weighs 400 N. Calculate how far should Girl B sit from the fulcrum to balance the see-saw. Neglect the mass of the see-saw. A
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