You want to place a mirror at a blind turn on the staircase in your house. which would be best suited for this purpose?
a. flat mirror
b. plane mirror
c. convex mirror
d. concave mirror

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.

Which word expression describes how much to calculate pressure

The ability to make things happen is also called a. heat b. force c. matter d. energy