Exam mockup SCPY111&160

Which one comes to the ground first?

• solid

• hollow

• both

• inconclusive

Starting with the same speed, if we try to let a hollow disk and a solid disk roll uphill, which one achieves the highest?

• hollow

• solid

• same

• insufficient information

incline plane. If we have two disks with the same dimension (made of metal and wood ) and we let them roll uphill with the same initial speed, which one goes highest.

• solid

• hollow

• both

• inconclusive

incline plane: If we increase the height twice, the final speed will be

• increased

• decreased

• increased to 200%

• decreased to 50%

Moment of inertia. A student performs the moment of inertia experiment on two different fly-wheel rigs, namely U and V, and obtain the graph. Which one has the highest moment of inertia?

• U

• V

• Both

• inconclusive

Moment of inertia. A student performs the moment of inertia experiment on two different fly-wheel rigs, namely U and V, and obtain the graph. Which one has the highest frictional torque?

• U

• V

• Both

• inconclusive

SHM examples include pendulum (P) and spring-mass system (SM). Which one can be performed on the space station.

• P

• SM

• Both

• Uncertain

SHM examples include pendulum (P) and spring-mass system (SM). Which one can be performed on a plane, flying steadily in the sky.

• P

• SM

• Both

• Uncertain

Calorimeter: In theory, can we change the value of Joule equivalence by increasing

(I) current

(II) voltage

• yes for (I) only

• yes for (I) and (II)

• no for (I) only

• no for (I) and (II)

Stirrer is to

• be something to pass the time

• cause disturbance

• make uniformity

• gauge to measure the water's height