
Engineering Mechanics Challenge
Authored by Manoj Gupta
Engineering
12th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for calculating torque?
Torque (τ) = Pressure (P) × Volume (V)
Torque (τ) = Mass (m) × Acceleration (a)
Torque (τ) = Work (W) / Time (t)
Torque (τ) = Force (F) × Distance (r) × sin(θ)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe the relationship between force, mass, and acceleration.
Force equals mass times acceleration (F = m * a).
Mass is the product of force and acceleration.
Acceleration is independent of mass.
Force is the same as mass.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the principle of conservation of energy?
Energy can be freely generated without limits.
Energy is only lost in transformations.
Energy can be created and destroyed.
Energy cannot be created or destroyed, only transformed.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the center of mass of a system?
R_cm = Σ(m_i) / Σ(r_i)
R_cm = (Σ(m_i * r_i)) * Σm_i
R_cm = (Σ(m_i * r_i)) / Σm_i
R_cm = (Σ(m_i + r_i)) / Σm_i
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between work, energy, and power?
Work is the rate at which energy is transferred.
Power is the amount of work done per unit time.
Energy is the capacity to do work, and power is the total work done.
Work and energy are the same, while power is irrelevant.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the law of universal gravitation apply to two masses?
It states that the gravitational force is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
It indicates that only one mass affects the other.
It applies only to objects in motion.
It shows that gravitational force is constant regardless of distance.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What factors affect the acceleration of an object?
Only the mass of the object affects its acceleration.
Acceleration is influenced by the net force acting on the object and its mass.
Acceleration is independent of the forces acting on the object.
Only external forces can change the acceleration of an object.
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