1.
In science, a theory is
A. 
B. 
C. 
D. 
A synthesis of a large body of well-tested knowledge
2.
A scientific hypothesis may turn out to be right or it may turn out to be wrong. If it is a valid hypothesis, there must be a test for proving it
3.
A sheet of paper can be withdrawn from under a container of mild without toppling if the paper is jerked quickly. This best demonstrates that
A. 
Gravity tends to hold the milk carton secure
B. 
The milk carton has no acceleration
C. 
The milk carton has inertia
D. 
There is an action-reaction pair of forces
4.
When you stand at rest on a pair of bathroom scales, the readings on the scales will always
A. 
B. 
C. 
Add up to be equal to your weight
5.
If your automobile runs out of fuel while you are driving, the engine stops but you do not come to an abrupt stop. The concept that most explains why is
A. 
B. 
C. 
D. 
6.
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 until it finally stops
7.
A horse gallops a distance of 10 kilometers in a time of 30 minutes. Its average speed is
A. 
B. 
C. 
D. 
8.
If a freely falling object were somehow equipped witha speedometer, its speed reading would increase each second by about
A. 
B. 
C. 
D. 
Depends on its initial speed
9.
If ia car increases its velocity from zero to 60 km/h in 10 seconds, its acceleration is
A. 
B. 
C. 
D. 
10.
A ball is thrown upwards and caught when it comes back down. In the presence of air resistance, the speed with which it is caught is always
A. 
The same as the speed it had when thrown upwards
B. 
Less than the speed it had when thrown upwards
C. 
More than the speed it had when thrown upwards
D. 
11.
A rock weighs 30N on Earth. A second rock weighs 30N on the moon. Which rock has greater mass?
A. 
B. 
C. 
D. 
Not enough information to say
12.
An object is propelled along a straight line path by a force. If the net force were doubled, the object's acceleration would be
A. 
B. 
C. 
D. 
13.
A car has a mass of 1000 kg and accelerates at 2 meters per second squared. What is the magnitude of the force exerted on the car?
A. 
B. 
C. 
D. 
14.
A player catches a ball. Consider the action force to be the impact of the ball against the player's glove. The reaction to this force is the
A. 
Force the glove exerts on the ball
B. 
Friction of the ground against the player's shoes
C. 
Muscular effort in the player's arms
D. 
Player's grip on the glove
15.
A Mack truck and a Volkswagen traveling at the same speed have a head-on collision. The vehicle that undergoes the greatest change in velocity will be the
16.
Two objects have the same size and shape, but one is much heavier than the other. When they are dropped simultaneously from a tower, they reach the ground at the same time, but the heavier one has a greater
A. 
B. 
C. 
D. 
17.
A 4 kg ball has a momentum of 12 kg m/s. What is the ball's speed?
A. 
B. 
C. 
D. 
18.
If you push for a half hour or a whole hour against a stationary wall
A. 
Half as much work is done during the half hour
B. 
Twice as much work is done during the half hour
C. 
No work on the wall is done on either case
D. 
It is impossible to determine how much work is done
19.
If you push an object twice as far while applying the same force, you do
A. 
B. 
C. 
D. 
20.
If an object is raised twice as high, its potential energy will be
A. 
B. 
C. 
D. 
Impossible to determine unless the time is given
21.
An object that has kinetic energy must be
A. 
B. 
C. 
D. 
22.
An object may have potential energy because of its
A. 
B. 
C. 
D. 
23.
Which of the following is not a transverse wave?
A. 
B. 
C. 
D. 
24.
The vibrations of a transverse wave move in a direction
A. 
B. 
Along the direction of wave travel
C. 
At right angles to the direction of wave travel
25.
If a frequency of a certain wave is 10 hertz, it period is
A. 
B. 
C. 
D.