Ablock of mass 10 kg and measuring 250 mm on each edge is pulled up an inclined surface on which there is a film of sae 10w-30 oil at 30° f (the oil film is 0.025 mm thick). find the steady speed of the block if it is released. if a force of 75 n is applied to pull the block up the incline, find the steady speed of the block. if the force is now applied to push the block down the incline, find the steady speed of the block. assume the velocity distribution in the oil film is linear. the surface is inclined at an angle of 30° from the horizontal

Dry ice is solid carbon dioxide that is used in the transport of food and medicine. dry ice becomes a gas at –78.5°c without becoming a liquid first.

According to newton's second law, when the same force is applied to two objects of different masses, a the object with greater mass will experience a great acceleration, and the object with less mass will experience an even greater acceleration, b. the object with greater mass will experience a smaller acceleration, and the object with less mass will experience a greater acceleration, c. the object with greater mass will experience a greater acceleration, and the object with less mass will experience a smaller acceleration, d. the object with greater mass will experience a small acceleration, and the object with less mass will experience an even smaller acceleration.

Figure 9 on page 362 shows various motions of balls. the curved path followed by the yellow ball in b in picture b is result of a) inertia b) centripetal motion c) gravity and horizontal velocity d) linear motion