A passenger in a car has a mass of 60.0 kg. The car accelerates forward at a rate of 4.75 m/sec2. (a) What force does the back of the car seat apply to the passenger? (b) The brake pedal is pushed suddenly and the resulting acceleration is – 7.00 m/sec2.What force is applied by the seat belt and shoulder harness on the passenger?

Q: You are designing a high-speed elevator for a new skyscraper. The elevator will have a mass limit of…

A:

Q: A motor boat is pulling a skier across a lake. The mass of the skier is 71 kg and their coefficient…

A:

Q: An object has an acceleration of 12.0 m/s2. The net force acting on the object is halved (decreased…

A: Given  Initial acceleration, a1 = 12 m/s2  F2 = (F1)/2  Mass = m Final acceleration , a2 = ?

Q: A 2540 kg test rocket is launched vertically from the launch pad. Its fuel (of negligible mass)…

A: According to the policy, only first three subparts will be answered here. Please post the rest…

Q: Newton's Second Law in 1 Dimension: A 10-kg object is hanging by a very light wire in an elevator…

A: Given data:  Mass of object (m) = 10 kg Tension (T) = 75 N Elevator travelling upward Required:…

Q: A net force of 500 N gives an object an acceleration of 4.00 m/s². (a) what net force is needed to…

A: (a) First find the mass of the object m=Fa   =500 N4.00 ms2   =125 kg The force required to give the…

Q: An elevator cab is pulled upward by a cable.The cab and its single occupant have a combined mass of…

A: Acceleration of the coin relative to the ground is the sum of the acceleration of the coin relative…

Q: An elevator cab that weighs 27.8 kN moves upward.What is the tension in the cable if the cab’s speed…

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Q: A freight train has a mass of 1.1 ✕ 107 kg. If the locomotive can exert a constant pull of 7.6 ✕ 105…

A: From Newton’s second law of motion.

Q: An impala is an African antelope capable of a remarkable vertical leap. In one recorded leap, a 45…

A:

Q: A crate of mass 55.6kg is being transported on the flatbed of a pickup truck. The coefficient of…

A: Given data:     The mass of crate is: m = 55.6 kg The coefficient of kinetic friction is:  = 0.320…

Q: Suppose you have a 150 kg wooden crate resting on a wood floor, with coefficient of static friction…

A:

Q: Problem 1. A student at an airport is towing her 20.0 kg suitcase at a constant acceleration by…

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Q: The masses of the red and blue wagons are 4.72 kg and 2.83 kg, respectively. If the red wagon is…

A: Total mass of the red and blue wagon=7.10 Kg F=ma will be applied

Q: A fireman has mass m; he hears the fire alarm and slides down the pole with acceleration a (which is…

A: Let the mass of the fireman is denoted by m and the acceleration is denoted by a with which the…

Q: A block of mass 47 kg is situated on the floor of an elevator that is accelerating upward at 3.03…

A:

Q: A car of mass mpush = 1350 kg is capable of a maximum acceleration of 6.00 m/s?. If this car is…

A: From Newton's law Fmax=mpushamax=1350 kg6.00 ms2=8100 N

Q: A 75 kg skier was pushed up a slope of 21.0 degrees west with an inititial velocity of 4.0 m/s.…

A: When a person is pushed in an inclined plane , the forces acting on the system will be the…

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: