Which sections of the heating curve illustrate this process?

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.

There are weak or strong attractive forces between atoms of liquids with a high viscosity

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.