3) A mill grinds corn by means of a grinding wheel attached to a long horizontal

Question

3) A mill grinds corn by means of a grinding wheel attached to a long horizontal axle that is hinged to 3) a vertical rotating axle as shown in Figure 11-3. The rotation the vertical axle forces the of horizontal axle to follow it. Thus, the wheel moves in a circular and its motion makes it rotat The wheel then crushes the corn in its path. The force exerted by the wheel on the corn is A) greater than the weight of the wheel. B) equal to the weight of the wheel. C) less than the weight of the wheel. D) There is not enough information to answer this question. 4) You are walking holding on to the axle of a spinning bicycle wheel with one hand on either side of 4) the wheel. The top part of the wheel is moving away from you and the bottom is moving toward you and the axle is horizontal. As you start to turn left, you feel the right side of the axle A) push on your right hand toward the left. B) push on your right hand vertically up. push on your right hand toward you

Explanation / Answer

3) correct option is (C)

from newton second law

T - mg = -ma

T = mg - ma

4) Correct option is (A)

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