ICP Semester 1 Final Exam

When an object moves in a circular path, it accelerates toward the center of the circle as a result of __________.

• terminal velocity
• momentum
• centripetal force
• friction

In the absence of air, a penny and a feather dropped from the same height will __________.

• fall at different rates
• float
• fall at the same rates
• do not have momentum

In an experiment to determine if the popping of popcorn is affected by the temperature at which it is stored, counting the popped kernels is an example of a(n) __________.

• conclusion
• control
• hypothesis
• observation

When a force is exerted on an object, an equal and opposite force is exerted by the object. These forces are referred to as __________.

• centripetal forces
• friction forces
• gravitational forces
• action-reaction forces

Graphing data can help you to recognize __________.

• hypotheses
• patterns
• bias
• inferences

When two balls collide, the momentum of the balls after the collision is explained by __________.

• the law of conservation of momentum
• Newton's first law of motion
• Newton's second law of motion
• Newton's third law of motion

Anything that can fall has stored energy called __________.

• elastic potential energy
• chemical potential energy
• kinetic energy
• gravitational potential energy

The relationship among mass, force, and acceleration is explained by __________.

• Newton's first law of motion
• Newton's second law of motion
• Newton's third law of motion
• the conservation of momentum

The rate at which an object's velocity changes is called its __________.

• acceleration
• average velocity
• displacement
• scalar magnitude

Which is not a simple machine?

• pulley
• ramp
• bicycle
• wood screw