Physics Lab Final Quiz Questions

If an inelastic collision takes place, during the collision, what is conserved? Question options: none of the above mechanical energy is conserved energy is conserved momentum is conserved

Energy and Momentum

The frictional force that slows an object down while in motion is called ______ friction. Question options: standing dynamic static kinetic

Kinetic

What are the units for the period of a pendulum from the equation above? Question options: s s-1 s2 s1/2 s-1/2

S

The coefficient of friction can be zero, meaning there is no friction between the two surfaces. Question options: True False

False

The term "centripetal force" refers to an actual force that you can label on a free-body diagram. Question options: True False

False

If the force applied on an object is greater than the force of kinetic friction the object will travel with ________ velocity. Question options: constant increasing decreasing

Increasing

If the graph is a straight line, what information can be obtained from the y-intercept? Question options: It was not a straight line There wasn't a y-intercept it gives you the maximum force of static friction it gives you the minimum speed of the trolley

Max force of static friction

If a completely elastic collision takes place, during the collision, what is conserved? Question options: mechanical energy is conserved momentum is conserved none of the above energy is conserved

Mechanical Energy, Energy, and Momentum

A specifc pendulum has a period of T, given by the equation above. IF the pendulum is moved from the earth where the g is 9/8 m/s2, to Jupiter where it is 26.0 m/s2, the period of the pendulum will Question options: remain the same decrease increase

Decrease

The coefficient of static friction is always _______ the coefficient of kinetic friction. Question options: equal to less than greater than

Greater than

Use the equation and picture above to answer the questions in this quiz. A specifc pendulum has a period of T, given by the equation above. IF the length of the string, L, is increased, the period will Question options: increase decrease remain the same

Increase

A specifc pendulum has a period of T, given by the equation above. IF the angle is increased from 2 degrees to 4 degrees, the period will Question options: remain the same increase decrease

Remain the same

A specifc pendulum has a period of T, given by the equation above. IF the mass of the pendulum, m, is decreased, the period will Question options: increase decrease remain the same

Remain the same

The frictional force that holds an object in place is called ______ friction. Question options: kinetic standing dynamic static

Static

According to Equation 9 (w2=(1/MR)mag - (fs/MR)) if you you plot w2 vs. mag, what should the graph look like? Question options: straight line y-intercept is positive y-intercept is negative positive slope y-intercept is zero curve with decreasing slope negative slope curve with increasing slope

Straight line, Positive slope, Y-intercept negative

The trolley moves in a horizontal circular path of radius R with constant speed v. This motion is called Question options: linear motion simple harmonic motion uniform circular motion projectile motion

Uniform Circular Motion