Chapter 4 Review Questions

Which is a better way to get a feeling for the inertia of an object?

(a) hold it in your hand

(b) shake it back and forth

Which of the following represents a situation when the acceleration of an object is not in the same direction as the net force acting on the object.

(a) a bowling ball swinging by a cord attached to the ceiling

(b) a car speeding up along a straight line on the highway

(c) a book sliding to a stop on the top of a table

(d) All of the above

(e) None of the above

What is the magnitude of the acceleration of a 2 kg object when the net force on the object is 10 N?

(a) 10 m/s²

(b) 20 m/s²

(c) 5 m/s²

If an object weighs 10 lb, what must the air resistance force be if the object is falling and has reached terminal velocity?

(a) 10 lb

(b) 32 lb

(c) there is no way of telling without knowing what the value of the terminal velocity is