test094p3

# test094p3 - F~D FIGURE 2 C 12 12 When you ride a bicycle in...

This preview shows page 1. Sign up to view the full content.

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: F~D FIGURE 2 C 12) 12) When you ride a bicycle, in what direction is the angular velocity of the wheels? A) backwards up C) to your left ~ ) forwards E) to your right /' ~ 1L '6 5 f:::;- () T i~ k- mg}.:=:-o (9 ,5 2 T-==- 13) A store's sign, with a mass of 20.0 kg and 3.00 m long, has its center of gravity at the center of the sign. It is supported by a loose bolt attached to the wall at one end and by a wire at the other end, as shown in Figure 2. The wire makes an angle of 25.0° with the horizontal. What is the tension in the wire? ~\ A) 464N B) 297N C) 196N ~ E) 116N 13) n:::J.. FIGURE 3 / 1 kg 6:\ 180 r(1 ~ )30m "k ~~/ ,'.~ / 14) The L-shaped object shown in Figure 3 consists of the masses connected by massless rods. );low much work must be done to accelerate the object from rest to an angular speed of 3.25 raMs about the x-axis? A) 62.3 J \ B) 23.7 J C) 47.4 J ~ E) 17.6 J USQ I., -_ vv II.)()I' l:. -eYlCf"S> 1<: __ P W~ ~ 'r' (, I t/;O(lVUY'7 _ ~ AJr .L-:r: '1. - (Z(YJIY~) W!~ ~ . L I /.:-(I){t.9) /")/71.w 3 D 0 J-.:t .l- 14) 2- L (.ur) -= ?,£U ~ ...
View Full Document

## This note was uploaded on 12/10/2011 for the course PHY 1111 taught by Professor Stencil during the Fall '11 term at UGA.

Ask a homework question - tutors are online