Recent questions in Classical Mechanics

+5 votes

0 answers

In ballistics, roughly speaking, there are two fundamental parameters: the angle at which the bullet is fired and the initial velocity of the projectile. How is it possible to maintain the initial velocity of the projectile unchanged?

asked Jan 14, 2023 in Classical Mechanics by AstralNova

+17 votes

0 answers

How does increasing the normal force affect static friction?

asked Jan 13, 2023 in Classical Mechanics by Philp1863

+24 votes

0 answers

What does the gradient of the graph of kinetic friction normal force represent?

asked Jan 13, 2023 in Classical Mechanics by sincecoral

+7 votes

0 answers

How does friction stop an oscillatory motion although there is no contact with the surface?

asked Jan 13, 2023 in Classical Mechanics by SolarisDreamer

+21 votes

0 answers

How do you find the work done in accelerating an object from rest to velocity?

asked Jan 13, 2023 in Classical Mechanics by Jesse Gaffey

+23 votes

0 answers

A ball is thrown vertically upwards with a velocity of 40 m/s. After 1.0 s, a second ball is thrown upwards with a velocity of 60 m/s. After how many seconds, and at what height do they meet?

asked Jan 13, 2023 in Classical Mechanics by Chris Curwen

+20 votes

0 answers

Is acceleration the ratio of the change in velocity to the time taken for all these changes to occur?

asked Jan 13, 2023 in Classical Mechanics by AuroraMystic

+23 votes

0 answers

How will doubling the mass while keeping the initial velocity constant affect acceleration?

asked Jan 13, 2023 in Classical Mechanics by oddbod2

+5 votes

0 answers

The ball is thrown upward to a height of 3 meters. What is the initial velocity of the ball?

asked Jan 13, 2023 in Classical Mechanics by George Pires

+16 votes

0 answers

Preview: A 20 kg block slides across a horizontal surface. If the coefficient of kinetic friction between the block and the surface is 0.20, what is the force of the kinetic friction that acts on the block?

asked Jan 13, 2023 in Classical Mechanics by jizzard_of_oz

+12 votes

0 answers

A diesel train accelerates uniformly from rest to 70km/h for 30 seconds, continues at this speed for 60 seconds and decelerates uniformly to rest in 60 seconds. What is the total distance covered?

asked Jan 13, 2023 in Classical Mechanics by LeroyHarrison

+22 votes

0 answers

You are pushing a 75kg box across the floor with a force of 50 N. If a frictional force of 10 N opposes your push, what is the acceleration of the box?

asked Jan 13, 2023 in Classical Mechanics by mikki

+24 votes

0 answers

A dumptruck going at 15 m/s increases its velocity to 25m/s in 4 seconds. What is its acceleration?

asked Jan 13, 2023 in Classical Mechanics by Henry M

+17 votes

0 answers

A body travels 25 meters at 6 seconds and 45 meters at 8 seconds. What are its initial velocity and acceleration?

asked Jan 12, 2023 in Classical Mechanics by R WILSON (3.5k points)

+11 votes

0 answers

Why does a car have zero velocity and zero acceleration when it comes to rest, but not zero speed?

asked Jan 12, 2023 in Classical Mechanics by QuantumScribe

+5 votes

0 answers

Can Newton's second law be derived without applying it to a specific case, such as a force on an object moving with constant velocity?

asked Jan 12, 2023 in Classical Mechanics by Dean Swain

+23 votes

0 answers

Can an object have a negative acceleration and still move forward?

asked Jan 12, 2023 in Classical Mechanics by Jonny Round Boy

+295 votes

0 answers

What are some of the hardest problems to solve when learning classical mechanics (like projectile motion etc.) for beginners?

asked Jan 12, 2023 in Classical Mechanics by Tired Dad 40

+8 votes

0 answers

A block having a mass of 2 kg projected up 30º incline with initial velocity of 22 m/s. Co-efficient of friction is 0.3. a) How long does the block move up the plane? B) How far does the block move up the plane?

asked Jan 12, 2023 in Classical Mechanics by Asheashe

+11 votes

0 answers

An object of mass 20kg is on an incline plane at an angle of 30°. If the coefficient of friction is 0.2, what is the horizontal force of pushing, F? (Picture in comment section.)

asked Jan 12, 2023 in Classical Mechanics by Teki

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Recent questions in Classical Mechanics

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