Recent questions in Classical Mechanics

+8 votes

0 answers

A body of mass 10kg moves with a velocity of 5/m/s. What is its momentum?

asked Feb 12, 2022 in Classical Mechanics by EmberSculptor (2.0k points)

+21 votes

0 answers

If the velocity of an object changes with time, does that mean it is undergoing uniform or non-uniform acceleration at any given moment?

asked Feb 12, 2022 in Classical Mechanics by Bluedanw1975

+24 votes

0 answers

What is initial acceleration given s=3t+ ⅔t² - 2t³?

asked Feb 12, 2022 in Classical Mechanics by Sid

+18 votes

0 answers

In which position is the acceleration of simple harmonic motion maximum?

asked Feb 12, 2022 in Classical Mechanics by acerpalmatum

+3 votes

0 answers

Whose motion is formed when radial acceleration is 0 and tangential acceleration is equal to 0?

asked Feb 11, 2022 in Classical Mechanics by SpikeBmth - Hintonhe

+265 votes

0 answers

If an object moves in a circular path with constant radius and uniform angular velocity, does its speed change?

asked Feb 11, 2022 in Classical Mechanics by Philt2012

+15 votes

0 answers

Does a moving object have impulse if it has constant velocity?

asked Feb 10, 2022 in Classical Mechanics by CrystalPulse

+151 votes

0 answers

How are speed, velocity, and acceleration related to displacement over time?

asked Feb 10, 2022 in Classical Mechanics by CelestialTwilight

+2 votes

0 answers

If two cars, A and B, have a velocity of 50m/s and 80m/S respectively and have to cover a distance of 1000m, what is the minimum time that car B should be at rest so that car A finishes first?

asked Feb 10, 2022 in Classical Mechanics by MysticOracle

+155 votes

0 answers

Why is the dynamic friction coefficient always smaller than the static one?

asked Feb 10, 2022 in Classical Mechanics by CrystalSeeker

+276 votes

0 answers

A block tackle has a velocity ratio of 4 and is used to raise vertically a load of mass 50kg. If the efficiency is 80%, what is the minimum effort required to raise the load?

asked Jan 20, 2022 in Classical Mechanics by JasonCSmith

+6 votes

0 answers

What are some examples of when increasing friction is smarter than reducing friction?

asked Jan 20, 2022 in Classical Mechanics by MysticHorizon

+221 votes

0 answers

An object accelerates from rest at a constant rate of 4ms-² for a distance of 200m. How fast is the object moving at that time? How long did it take for the object to reach that velocity?

asked Jan 20, 2022 in Classical Mechanics by DaveyC

+21 votes

0 answers

A car accelerates uniformly from rest at 5 m/s. What is its velocity after 10 seconds?

asked Jan 20, 2022 in Classical Mechanics by MOONSHINE

+58 votes

0 answers

A body is projected horizontally with a velocity 23 m/s from a height of 5 m. What is the velocity of the body on reaching the ground?

asked Jan 20, 2022 in Classical Mechanics by Javert

+18 votes

0 answers

What is the average velocity of an object with zero initial velocity if it falls under constant acceleration due to gravity?

asked Jan 20, 2022 in Classical Mechanics by Matthew burns

+8 votes

0 answers

A car accelerates from rest to 90km/h in 10 seconds. What is its acceleration in m/s?

asked Jan 19, 2022 in Classical Mechanics by Catrin Rees

0 votes

0 answers

Can an object's speed and/or acceleration be zero but its direction still be changed?

asked Jan 19, 2022 in Classical Mechanics by smalldave

+22 votes

0 answers

In an SHM, when the displacement is equal to the amplitude, what fraction of the total energy is kinetic?

asked Jan 19, 2022 in Classical Mechanics by Neil123 (4.1k points)

+1 vote

0 answers

What is the maximum speed at which a car can round a curve of 25 m radius on a flat surface road? The coefficient of friction between the tires and the road is 0.30.

asked Jan 18, 2022 in Classical Mechanics by Kitty

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