A 100-Kg Block Is Pushed Up a 30º Incline That

question 53

Multiple Choice

A 100-kg block is pushed up a 30º incline that is 10 m long.If the coefficient of friction between the block and the incline is 0.1,the constant force parallel to the incline that is required to move the block from rest at the bottom of the incline to the top in 3 s is approximately

• A)0.49 kN
• B)0.085 kN
• C)0.22 kN
• D)0.80 kN
• E)0.58 kN

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Definitions:

Estrogen

A group of steroid hormones which promote the development and maintenance of female characteristics of the body.

Follistatin

A protein involved in muscle growth, reproduction, and the regulation of certain hormones.

Progesterone

A hormone produced by the ovaries involved in the menstrual cycle and pregnancy.