Physics Lab Final Quiz Questions

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

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


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