16 Answered Questions for the topic Newton's Second Law

09/26/18

#### An object has 3 forces applied to it. What is the Net force on the object?

3 forces applied to the object:
100N at an angle of 0 degrees
150N at an angle of 180 degrees
100N at an angle of 90 degrees
What is the Net force on the object (magnitude and...
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03/15/18

#### 1.A 2.00 kg cart on a frictionless track is pulled by force of 3.00 N. What is the acceleration of the cart?

.A 2.00 kg cart on a frictionless track is pulled by force of 3.00 N. What is the acceleration of the cart?

#### Mechanics Question - Finding speed reduction time

A car of mass 1000 kg has its speed reduced from 81 km/h to 54 km/h by brakesproducing a force of 1250 N. How long does this take? Determine the work done bythe brakes on the car. Determine...
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#### Newton's law in 2D

A 1.5 kg book is held against the wall by an applied force. The applied force is 60° above the horizontal. Given that the static coefficient of friction between the block and the wall of 0.65,...
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Newton's Second Law Frictional Force

11/17/17

#### Newton's second law + force of friction

A 4kg box sits on top of a truck, where the static friction coefficient is 0.2. Determine the maximum acceleration of the truck before the box starts to slide

Newton's Second Law

11/15/17

#### If the object starts from rest, find the final velocity after 3 seconds.

Newton's Second Law
Hello...
I found the F=6 to the left, Mass=3 and Acceleration is 2 to the left.
Question: If the...
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#### Why is the force that accelerates an object never equal to the force applied to an object?

im really really lost in Physics right now, and i have a test tomorrow! Id really appreciate the help. Thanks!

#### Find the tension answer in newtons

A block of mass 1.88439 kg lies on a friction- less table, pulled by another mass 4.98587 kg under the influence of Earth’s gravity. The acceleration of gravity is 9.8 m/s2 .What is the magnitude...
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10/21/15

#### You'reRidingAnElevatorHoldingASpringScaleW/A1kgMassSuspendedFromIt.ThenScaleReads9.3N.WhatIsAccelerationOnElevator?

Physics Question

10/21/15

#### Compare the force holding a 10.0kg rock on earth and on the moon. The acceleration due to gravity on the moon is 1.62 m/s^2

Physics question

10/21/15

#### A block has a mass of 1.2kg and a sphere has a mass of 3.0kg. What are the readings of the two scales? (Neglect the masses of the scales)

Physics question

10/21/15

#### You place a watermelon on a paring scale at the supermarket. If the mass of the watermelon is 4.0kg, what is the reading of the scale?

Physics question

10/21/15

#### If you push a book in a forward direction, does this mean it's velocity has to be forward?

Physics question that involves netforces, free body diagrams, newtons 1st or 2nd law, or balanced/unbalanced forces

#### A 150 pound person weighs 657 Newtons in the SI System. What is the person's mass?

A 150 pound person weighs 657 Newtons in the SI System. What is the person's mass?

Newton's Second Law

09/23/14

#### Bill and Joan working with force and acceleration

Bill and Joan tug on a frictonless wagon having mass 20kg. If Joan is pulling with 120N of force, and the crate has an acceleration of 1.5m/s2 in the direction of Bill, how hard is Bill pulling?

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