Conceptual Physics Test 1 Review

The newton (N) is a unit of A) force. B) mass. C) density. D) inertia.

A) Force

Which is the following is not a vector quantity? A. Mass B. Weight C.Force D.Acceleration E. None of these

A) Mass

If an object moves with constant acceleration, its velocity must A) be constant also. B) change by the same amount each second. C) change by varying amounts depending on its speed. D) always decrease.

B) change by the same amount each second.

If no external forces are acting on a moving object, it will A) continue moving at the same speed. B) continue moving at the same velocity. C) move slower and slower until it finally stops.

B) continue moving at the same velocity.

Whenever the net force on an object is zero, its acceleration A) may be less than zero. B) is zero. C) may be more than zero

B) is zero

The force of friction on a sliding object is 10 N. The applied force needed to maintain a constant velocity is A) more than 10 N. B) less than 10 N. C) 10 N.

C) 10 N

A kilogram is a measure of an object's A) weight. B) force. C) mass. D) size.

C) Mass

An object in mechanical equilibrium is an object A) at rest. B) moving with constant velocity. C) having no acceleration. D) all of these

D) All of these

Compared to a 1-kg block of solid iron, a 2-kg block of solid iron has twice as much ----. A) inertia. B) volume. C) mass. D) all of these E) none of these

D) All of these

In each second of fall, the distance a freely falling object will fall is A) about 5 m. B) about 10 m. C) the same, but not 5 m or 10 m. D) increasing. E) none of these

D) increasing

The two measurements necessary for calculating average speed are ------ A) distance and acceleration. B) velocity and time. C) acceleration and time. D) velocity and distance. E) distance and time.

E) distance and time