Question

A) in the SI system, the unit of measurement for weight is the:

1. slug;
2. kilogram (kg);
3. pound (lb);
4. newton (N).

B) Newton’s 2^nd Law of Motion states that acceleration will be greatest if:

1. the object’s mass is small and the applied force is large;
2. the object’s mass is small and the applied force is small;
3. the object’s mass is large and the applied force is large;
4. the object’s mass is large and the applied force is small.

C) For a non-accelerating object, Newton’s 3^rd Law says that each force acting on it must have a counter-force with:

1. the same strength, and acting in the same direction;
2. the same strength, and acting in the opposite direction;
3. the same strength, and acting at right-angles to it;
4. greater strength, and acting in the opposite direction.

D) For any object in contact with a surface, the normal force always points:

1. in the direction of motion;
2. opposite the direction of motion;
3. at right angles to the surface;
4. in the same direction as the object's weight.

Answer 1

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