125. Sand is often placed on an icy road because the sand (1) decreases the coefficient of friction between the tires of a car and the road (2) increases the coefficient of friction between the tires of a car and the road (3) decreases the gravitational force on a car (4) increases the normal force of a car on the road

Q: If you were to throw an object upwards into the air, what would you expect to happen? (Click all…

A: As the object is moving upward and weight is acting downwards, the free body diagram of the object…

Q: Just like Louis, Maria left a book on the roof of her car before driving away. The mass of the book…

A: mass of the book (m) = 731 grams = 0.731 kg coefficient of static friction (μs) = 0.29 coefficient…

Q: How much force is the child pulling with in thedirection the cat will move

A: For cat to move..... Force applied by child in horizonty direction should be greater than the…

Q: 116. An empty wooden crate slides across a warehouse floor. If the crate was filled, the coefficient…

A: The frictional force between the crate and the floor is given by,

Q: 117. An empty wooden crate slides across a warehouse floor. If the crate was filled, the magnitude…

A: Write the equation for the kinetic friction between the crate and the floor.

Q: 20) Two blocks are touching on a horizontal surface. The left block has a mass of 2.0 kg. The right…

A:

Q: Circle answer

A: 69.The magnitude of the force of the table top on the book is,

Q: 2 packing crates of masses 10.0 kilogram and 5.00 kilogram are connected by a light string that…

A:

Q: 126. A 10.-kilogram rubber block is pulled horizontally at constant velocity across a sheet of ice.…

A:

Q: 81. Calculate the force (in newtons) required to push a 40-kg wagon up a 10° incline (Figure 19). 40…

A:

Q: A dog is pulling on his lead at an angle of 57 degrees with a force of 50 Newtons. What is the force…

A: Recall       Fx=Fcosθ      Fy=Fsinθ

Q: A 5.0-kg and a 10.0-kg box are touching each other. A 45.0-N horizontal force is applied to the…

A: Given, Mass of boxes is Force acting on is

Q: 125. Sand is often placed on an icy road because the sand (1) decreases the coefficient of friction…

A: Part (125): Introduction: The friction force is a resistive force that acts in between contact…

Q: 55. An astronaut has a mass of 80 kg. How much would the astronaut weigh on Mars where surface ity…

A: Mass of astronaut (m) = 80 kg Acceleration due to gravity on earth (g) = 9.8 ms2

Q: A 1200-pound car is stopped in traffic on a hill at an incline of 22°. Determine the force that is…

A: Given Data : The mass of the car is given as m = 1200pound. The angle of inclination of the plane is…

Q: A child tugs on a rope attached to a 0.62-kg toy with a horizontal force of 16.3 N. A puppy pulls…

A:

Q: A force of attraction between objects that is due to their masses; the force that brings all objects…

A: Option - C is correct answer

Q: ce of 110 N, acting on a mass of 4.0 kg, produces an acceleration of 20 m/s2 Calculate the force of…

A: Force applied F= 110 N m= 4 kg  let the force of resistance be R a= 20 m/s2

Q: 2. A very light taut rope is attached to a box with mass mA=3.0 kg that rests on a tabletop with us…

A: Given data: The mass of box A is mA = 3 kg. The mass of box B is mB = 1 kg. Kinetic friction uk =…

Q: what is the force of friction acting on the 8.0 KG box if it is moving at a constant speed down the…

A:

Q: A car driver is driving his car on a curved track as shown in the figure, at a speed of 316.8 km per…

A:

Q: Force is a push or a pull exerted by an object on another. 2. The surface exerts an upward force in…

A: 1. Force is a vector quantity  2.Normal reaction : a force applied by contact surface on each other…

Q: 26. A black forest cake on a plate rests on a top of a table. Which of the following is the reaction…

A: The force exerted by the cherry on the cake will be equal to its weight mg ,where m is the mass of…

Q: A truck is hauling a trailer along a level road with acceleration of 0.78 m/s2.  The mass of the…

A:

Q: Starting from rest, a 2-kg body acquires a speed of 8 m/s in 2 seconds. The net force acting on the…

A: The expression for the acceleration is given by, a=v-ut Use the given values, a=8 m/s-02 s=4 m/s2

Q: An automobile weighs 2000 lb.  Calculate the weight of the car in N and its mass in kg.

A:

Q: 10. Gravitational constant, G from SI to English units.

A:

Q: 16. A car is turning around a comer in the rain. The car needs to slow down to avoid skidding off…

A:

Q: 2.) Jenny experiences an average downward force of 441 N anywhere she goes on Earth. Calculate her…

A:

Q: 7. An 8 metric ton elevator is pulled by a cable. Determine the tension in th elevator accelerates…

A: Given,  Mass = 8 metric ton = 8000 Kg  Acceleration = 1.2 m/s2  From Newton's second laws of motion,…

Q: After washing lettuce, you can dry the water from it using a salad spinner. You put the lettuce in…

A: Due to the centrifugal force, the spinning water will be driven outwards to the surface of the bowl.

Q: What amount of thrust is necessary to launch a rocket with a of 2, 347kg with an acceleration of 242…

A: Given Mass of rocket is m = 2, 347 kg Acceleration is a= 242  m/s^2

Q: As a tossed ball sails through the air, a force of gravity mg acts on it. Identify the reaction to…

A:

Q: 10. The force with which gravity pulls downward upon an object. a. Weight b. Pull of gravity c. Mass

A: In nature every object has mass, as it is a fundamental quantity. The force with which gravity pulls…

Q: An engineer is working on the redesign of the hilly position of the city. An important consideration…

A: Given data: The mass of the car, m = 1200 kg. The velocity of car on horizontal, v = 14 m/s. The…

Q: The weight of an object: Select all that apply. A. Depends on its state of motion B. Is greater on…

A: Solution- we know weight of an object (W)=mg where, m = mass and g= gravitational acceleration. A.…

Q: What do you think will happen if there is a horizontal force moving in the same direction on its…

A: Horizontal force acting on the masses.

Q: A book rests on a table. The force of gravity pulls down on the book with a force of 20 newtons.…

A: According to Newton's third law, for every action there is an equal and opposite…

Q: Weight can be measured as the downward force an object exerts due to its mass times the…

A: Given data: Weight of rock W=6.57 N. Gravitational acceleration on moon is g'=1.622 m/s2.

Q: An automobile weighs 2000 lb.  Calculate the weight of the car in N and its mass in kg. Notes: Use…

A: The weight of the car in N is

Q: What is the weight in Newtons of a 250 gram box of breakfast cereal

A: Given: mass, m = 250 g = 0.25 kg

Q: The mass of a certain elephant is 4,867 kg. (a) Find the elephant's weight in newtons.  N (b) Find…

A:

Q: The mass of a certain elephant is 5,467 kg. (a) Find the elephant's weight in newtons. N (b) Find…

A: mass of elephant, m= 5467 kg

Q: 2) An objects dropped fall down toward the Earth with constant acceleration is suffer: a) Freely…

A: An object freely falling towards the earth is having an accelaration g due to the force of gravity…

Q: 5. A plane flies with a velocity of 54 m/s East through a 14 m/s cross wind blowing the plane South.…

A:

Q: Create a question about a foam ball experiencing 224 newtons of force that uses Newton's Third Law…

A: given : A foam ball experiences 224 Newtons of force   to create : a question which involves a foam…

Q: The reason why we are able to accelerate forward when starting to run is that the striking foot…

A: Solution:   Given Statement:   The reason why we are able to accelerate forward when starting to run…