A boy pulls a carriage with a force of 20N by a thick rope making an angle of 25° with the horizontal. If the wagon has a mass of 24.0 kg  (a) What is the horizontal acceleration of the carriage? (b) If the carriage starts at rest, how fast is it going after being pulled for 7 seconds?

Q: A freight train has a mass of 1.0 ✕ 107 kg. If the locomotive can exert a constant pull of 7.3 ✕ 105…

A: Given,

Q: Two blocks connected by a string are pulled across a horizontal surface by a force applied to one of…

A:

Q: A 2-kg body of mass is moving on a horizontal frictionless surface with a velocity of 4 m/s. What is…

A: Mass of body (m) = 2 kg velocity (v) = 4 m/s time (t) = 5 seconds

Q: The acceleration of a block of 5 kg is 7 m/s^2. If the friction coefficient is 0.4 . Then find the…

A:

Q: A block weighing 200 N is pushed along a surface. If it takes 80 N to get the block moving and 40 N…

A:

Q: What magnitude net force is required to accelerate a 1200-kg car uniformly from 0 m/s to 27.0 m/s in…

A: Given quantities: mass of the car (m) = 1200 kg initial velocity (u) = 0 m/s final velocity (v) = 27…

Q: A freight train has a mass of 1.5 x 107 kg. If the locomotivecan exert a constant pull of 7.5 x 105…

A: Force is,

Q: A 25 kg crate is being pushed on a horizontal floor at constant velocity. Given that the coefficient…

A:

Q: An athlete whose mass is 90.0 kg is performing weight-lifting exercises. Starting from the rest…

A:

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: A block weighing 500 kN rests on a ramp inclined at 39 degrees with the horizontal. What is the…

A: Weight F=500kN θ=390

Q: A late traveler rushes to catch a plane, pulling a suitcase with a force directed 30° above the…

A:

Q: The force exerted by the wind on the sails of a sailboat is Fsail = 430 N north. The water exerts a…

A: Given data The magnitude of the force in the north direction is: Fy = Fsail = 430 N The magnitude of…

Q: A wagon is being pulled wiyh a force of 100N excerted at an anhle of 60 degrees. Above the…

A: Given Data : The magnitude of the force is given as F = 100N. The angle of the force is given as…

Q: In a tug-of-war between two athletes, each pulls on the ropewith a force of 200 N. What is the…

A: The movement in the rope is zero since the two athletes pull the rope with the same force in…

Q: A 10 kg box of parcel is pulled across a level floor, where the coefficient of kinetic friction is…

A:

Q: The net horizontal force on a 56000 kg railroad boxcar is 5800 N. What is the acceleration of the…

A:

Q: A sled of mass 87 kg is being pushed up a slope with an applied force of 853 N. The slope is…

A: applied force = 853 N weight along incline = 87 * 9.8 * sin(34) = 476.77 Nfrictional force = 87 *…

Q: A pebble of mass 0.05 kg is thrown vertically upwards. Give the direction and magnitude of the net…

A: Acceleration due to gravity, irrespective of the direction of motion of an object, always acts…

Q: What is the mass of a bowling ball that exerts a downward force of 160 N on your skull after gently…

A:

Q: A certain cable of an elevator is designed to exert a force of 4.5 × 10^4 N. If the maximum…

A: Fmax=mamax+g     m=Fmaxamax+g

Q: What horizontally-applied force will accelerate a 400-kg crate at 1.5 m/s2 across a factory floor…

A: The mass of a crate is, m=400 kg The acceleration of a crate is, a=1.5 m/s2 The frictional force…

Q: A student pulls a box across a floor by means of a rope making an angle of 50º with the horizontal.…

A:

Q: What magnitude net force is requred to accelerate to a 1200-kg car uniformly from 0 m/s to 27.0 m/s…

A: The net force required to accelerate a car of mass 1200 kg is calculated using following…

Q: What is the net force acting on a car cruising at a constant velocity of 70 km/h (a) on a level road…

A: The velocity of the car,

Q: If a bicyclist of mass 65 kg (including the bicycle) can coastdown a 6.5° hill at a steady speed of…

A: When the bicyclist is moving downhill,

Q: The velocity of a body of mass 20 kg increases from 5 m/s to 20 m/s in a distance of 100 m. The…

A:

Q: A student pulls a box of books on a smooth horizontal floor with a force of 100 N in a direction of…

A: Given:- F = 100N Ө = 37 M = 40kg A = ?       Equation of motion

Q: An airplane of 5,000kg, traveling at 30m/s West slows down to stop in 450 m. What is the magnitude…

A: Given : mass of airplane, m = 5000 kg Initial Velocity u = 30 m/s                      v = 0 m/s…

Q: At a certain mining operation, 2400 kg of gravel falls onto a conveyor belt every minute. If the…

A: Force exerted by the gravel on the belt F=ddtmv=mdvdt+vdmdt=vdmdt             dvdt=0

Q: At one moment during a walk around the block, there are four forces exerted upon Fido - a 10.0 kg…

A:

Q: Two forces are acting on a mass of 20.0 kg. One force is to the right at 400.0 N while the other…

A: First we need to calculate the magnitude and direction of the net force. Then we apply Newton's…

Q: If the net force on an object is zero,

A: The net force on an object is zero

Q: If I were to push a cart in the grocery store, which force would I be supplying to the cart? Would…

A: To push a cart in the grocery store the forces supplying to the cart will be Applied external force…

Q: An object that is 2kg is being pushed on a table, which has a coefficient of friction of 0.3.…

A: The magnitude of the force of friction between floor and the table is, Ff=μFN=μmg

Q: A freight train has a mass of 1.1 ✕ 107 kg. If the locomotive can exert a constant pull of 7.4 ✕ 105…

A: Given information:Mass of the train (m) = 1.1 × 107 KgForce the locomotive can exert (F) = 7.4 × 105…

Q: A 3kg cat has a balloon tied to it, applying 2N of upward tension force. How much normal force acts…

A: Given data Mass of the cat is: m = 3 kg The tension force on the balloon is: T = 2 N   The…

Q: In a grocery store, you push a 15.4 kg shopping cart horizontally with a force of 13.4 N. If the…

A: Given Mass of cart m = 15.4 kg Force F = 13.4 N We have to find out how far this cart move in 2.50…

Q: A high diver of mass 63.0 kg Jumps off a board 10.0 m above the water. If her downward motion is…

A: Given, Mass of diver =63 kg Height of board above water =10 m Time taken to stop the downward motion…

Q: A freight train has a mass of 1.0 ✕ 107 kg. If the locomotive can exert a constant pull of 8.2 ✕ 105…

A: Given data The mass is, m=1.0x107 kg The force is, F= 8.2x105 N The initial speed is u=0 km/h = 0…

Q: A 20 kg crate accelerates along a horizontal floor when it is pushed with a resultant force of 10 N…

A: SOlution: As given in the question: m =20 kg F (resultant) = 10 N t =5 s

Q: In the force of friction acting on an object that is being pushed is 200N, what force of push is…

A: Introduction: Friction force is defined as the force generated when the two surfaces are in contact…

Q: If you exert a horizontal force of 200 N to slide a crate across a factory floor at constant…

A: The crate is moving with a constant velocity. The acceleration of the crate is thus zero. The net…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!