BEST PRACTICE Torque and Moment of Inertia
Authored by Maridith Asensi
Physics
10th Grade
Used 6+ times
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6 questions
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1.
FILL IN THE BLANKS QUESTION
3 mins • 2 pts
A bolt is to be tightened with a torque of 8.0 Nm. If you have a wrench that is 0.35 m long, what is the least amount of force (in newton) you must exert? Express the answer in 2 significant figures. No need to write the unit.
(a)
2.
FILL IN THE BLANKS QUESTION
3 mins • 2 pts
What is the torque (in newton-meter) on a bolt produced by a 15-N force exerted perpendicular to a wrench that is 25 cm long, as shown in the figure? Express the answer in 2 significant figures. No need to write the units.
(a)
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A toy consisting of two balls, each 0.45 kg, at the ends of a 0.46-m-long, thin, lightweight rod is shown in the figure. Find the moment of inertia of the toy about one end of the rod.
0.048 kg-m2
0.19 kg-m2
0.21 kg-m2
0.095 kg-m2
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A toy consisting of two balls, each 0.45 kg, at the ends of a 0.46-m-long, thin, lightweight rod is shown in the figure. Find the moment of inertia of the toy about the center of the rod.
0.048 kg-m2
0.19 kg-m2
0.21 kg-m2
0.095 kg-m2
5.
FILL IN THE BLANKS QUESTION
3 mins • 2 pts
6.
FILL IN THE BLANKS QUESTION
3 mins • 2 pts
A bicycle wheel with a radius of 38 cm is given an angular acceleration of 2.67 rad/s2 by applying a force of 0.35 N on the edge of the wheel. What is the wheel’s moment of inertia in kg-m2? Express the answer in 3 decimal places. No need to write the units.
(a)
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