
Intro to Mechanical Engineering Review
Flashcard
•
Engineering
•
9th Grade
•
Practice Problem
•
Hard
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9 questions
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1.
FLASHCARD QUESTION
Front
A robotic vehicle with a mass of 50 kg is moving at a speed of 3 m/s. What is its kinetic energy?
Back
225 J
2.
FLASHCARD QUESTION
Front
A gear system in a robot has an input gear with 10 teeth and an output gear with 30 teeth. What is the gear ratio?
Back
3 : 1
3.
FLASHCARD QUESTION
Front
A robotic arm applies a force of 20 N at a distance of 0.5 m from the pivot. What is the torque produced?
Back
10 Nm
4.
FLASHCARD QUESTION
Front
Back
196 J
5.
FLASHCARD QUESTION
Front
A robotic drone with a mass of 2 kg is flying at a velocity of 10 m/s. Calculate its kinetic energy.
Back
100 J
6.
FLASHCARD QUESTION
Front
A motor exerts a force of 30 N to move a robot 5 meters. How much work is done by the motor?
Back
150 J
7.
FLASHCARD QUESTION
Front
A robot weighing 100 N is lifted vertically by a motor to a height of 3 meters. How much work is done by the motor?
Back
300 J
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