Pedro, not used to ice skating, got stuck in the middle of a frictionless skating rink. Good thing he is connected to Juan, who is in the bleacher, with a light string. Juan pulled Pedro with a horizontal force of 100 N. If Pedro is initially at rest and his mass is 50 kg, how fast is he moving after 3.0 s?

Q: A book is pushed downward with a force of 10N. If the mass of the book is 2 kg the 30N 20N 10N ON

A: Given, Downward force=10 N mass of book =2 kg Let normal force is N newton

Q: You are moving boxes into a new apartment. One of the boxes is very heavy, with a mass of 40kg, so…

A: Given data The mass of the box is m = 40 kg. The acceleration of the box is a = 3.2 m/s2. The force…

Q: Moments after making the dreaded decision to jump out the door of the airplane flying at 11,938…

A: Given data: The weight of the sky driver m=80.7 kg The force of air resistance Fa=119 N

Q: A crate of mass m = 28 k rides on the bed of a truck attached by a cord to the back of the cab as in…

A: The expression for the force , F=maa=Fm

Q: True or False: In the absence of any resistance, objects of different sizes and shapes if dropped…

A: Statement : in the absence of any resistance objects of different sizes and shapes if dropped from…

Q: Bob pushes on a frictionless cart of mass 6.8 kg and the cart has an acceleration of 1.2 m/s2. If…

A: Mass, m = 6.8 kg Acceleration, abob = 1.2 m/s² Acceleration, abill = ?

Q: A block A with M- 3kg is free to move along a horizontal frictionless surface and is connected, by a…

A:

Q: A 4500 kg jet reaches a takeoff velocity of 70 m/s after accelerating from rest for 700 m down the…

A: The problem is asking us to determine the net force required by the jet's engines in order to…

Q: A child is rolling a ball down a slide to his friend. The ball has a mass of 3 kg, and the slope of…

A:

Q: Spongebob and Patrick are driving their car that has a mass of 1550 kg. They are driving at a…

A: Write the first kinematic equation and susbtitute the corresponding values to calculate the…

Q: Some rubber bands pulling on an object cause it to accelerate. If 4 rubber bands cause it to…

A: Given data:  The acceleration due 4 rubber bands a = 1.80 m/s2

Q: The coefficient of friction between a 40kg piano and the ground is 0.85. What will the piano's…

A: Given data: Mass of the piano, m=40 kg Coefficient of friction, μ=0.85 Horizontal force, F=450 N…

Q: Newton's 2nd law states that the acceleration of an object is directly proportional to the net force…

A: According to Newton's second law of motion, the net force(F) acting on the body is given as the…

Q: You lift a 7.27-kg bucket of water from a well by pulling on a rope.  You give the bucket an…

A:

Q: exerts a force of 1.18 x 10-6 N on the flea. Find the direction and magnitude (in m/s2) of the…

A:

Q: Bran is pushing Amira in a sled. The combined mass of the sled and Amira is 40.0 kg. There is a…

A:

Q: A child of mass 22.0 kg runs and slides across the ice in a skating rink.  Initially she is moving…

A:

Q: A stuntman drives a car with a mass of 1600 kg on a drawbridge. The car accelerates with a constant…

A: The situation is modelled below,

Q: A horizontal force of magnitude F = 57.5 N pushes on a block of mass m = 4.7 kg. The block is on a…

A: The given situation can be represented as

Q: A 100 kg stunt woman falls from a three-story building that is 10 m high. If she falls into a net,…

A:

Q: A force of 40.0 N is applied in the positive x-direction to a block of mass 5.80 kg, at rest on a…

A: Determine the acceleration of the block.

Q: by

A: The kinematics equation can be used to find the position of an object, time taken, or the velocity…

Q: determine the man's upward acceleration. Use g = 9.80 Question 15. A person whose weight is 519 N is…

A:

Q: A fish (8 kg) is being yanked vertically upward out of the water and the fishing line breaks. If the…

A:

Q: An object is found to accelerate at 4 m/s2 over a frictionless surface when a force of 20 N is…

A: Given Acceleration of object  a = 4 m/s2 Force applied F = 20 N To find mass of object

Q: A flatbed truck is carrying an 800-kg load of timber that is not tied down. The maximum friction…

A:

Q: You accelerate upward in an elevator which increases its speed from rest to 2.50 m/s in a time of…

A:

Q: Two forces are applied to a 22 kg cart on a frictionless surface as shown. At a certain instant,…

A:

Q: A 5 kg block is propelled across a horizontal surface with a force of 20 N, opposed by a friction…

A: given data mass M = 5 kg force F = 20 N frictional force f = 10 N acceleration = ?

Q: A flea jumps by exerting a force of 1.17 x 10-5 N straight down on the ground. A breeze blowing on…

A:

Q: A wedge with 45° angles is pushed horizontally along a table in the +x direction with a constant…

A: Step 1: Step 2: Step 3: Step 4:

Q: A 1000.0 kg car accelerates uniformly to double its speed from 13.7 m/s in 4.76 s. What net force…

A:

Q: A force of 2.10 N Is exerted on a 6.70 g rifle bullets. What is the bullets acceleration? (write…

A:

Q: A 35.0-kg dolphin decelerates from 12.0m/s to 7.50 m/s in 2.30 s to join another dolphin in play.…

A: If the dolphin decelerates from 12 m/s to 7.50 m/s with in 2.30 s, then its acceleration is,…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: