A person is trying to lift a box off the floor. The box has a mass of 55kg and the person can lift with a force of 300N. a. Can the person lift the box? b. Find the normal force acting on the box.

Q: A 49 N rock hangs from a rope (assume without any mass), which goes over a pulley and then attaches…

A: In the given question, Weight of the left rock (m) = 49N Weight of right rock (m) = 49N Both rocks…

Q: The 1000N cow now sits on the 5kg box. a. What is the total mass of the cow and the box? b. What is…

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Q: Melissa was putting on her makeup when she accidentally ran into a stopped car at a red light, 11.01…

A: Using kinematic equations and force relations to solve the problem

Q: A 172 N sled is pulled up a 31 degree slope at a constant speed by a force of 156 N. What is the…

A: weight of sled =mg = 172 N angle =  31 degrees force = F = 156 N

Q: You push a box with a force of 200 N. It slides with a constant velocity across the floor. a.…

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Q: A desperate hiker has to think fast to help his friend who has fallen below him. Quickly, he ties m.…

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Q: A 95 kg paratrooper is falling at terminal velocity, a) Draw a free-body diagram of the paratrooper…

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Q: There is a 67 kg rubber sled on a wet concrete floor. A boy pushes the sled and it accelerates 0.01…

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Q: Alberto tries to move a 21.4-kg desk that is stopped on a horizontal surface, just as Alberto If you…

A: The formula to calculate the coefficient of friction is  μ=FN. The friction force, f, always acts in…

Q: A 75-N cart is being pulled by a rope along a frictionless inclined surface as shown in the given…

A: Weight of the Cart is W = 75 N  Angle of inclination of Cart with the horizontal is Φ = 30 ⁰  Angle…

Q: There is a 20 N force pulling an object to the left. The force of friction is 10 N in the opposite…

A: SOlution: gievn that F = 20 N Ff = 10 N to find the resultant force

Q: Kg ass across a steel table. a. How much force must the student apply in order to start the box…

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Q: The Omani "Noor Majan" car is of mass (M) kg is going up Jabal Akhdar, at angle (e), with (N) people…

A: Here given a car of mass M is going bat an angle θ .The car provides L Newtons lift and accelerating…

Q: SA6) An 80-kg man pulls a 150-kg load up an elevated ramp. If the rope that is used t pull the load…

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Q: B. Word Problem: A little boy pushes a cart or wagon with his dog in it. The mass of the dog and the…

A: Solution: Given that m = 45 kg a = 0.85 m/s2

Q: Bonnie and Clyde are sliding down a 301 kg bank safe across the floor to their getaway car. The safe…

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Q: There are two masses suspended from a pulley. The mass on the right is 100kg and it takes 5.0 s to…

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Q: A block is lying on a horizontal floor. The weight of the block is W. What is the normal force N…

A: The expression for the acceleration using Newton’s second law for the vertical direction, since Fn​…

Q: Suppose an airline allows a maximum of 30 kg for each suitcase a passenger brings along. (a) What is…

A: a. The equation for weight is given by, W=mg=30 kg9.8 m/s2=294 N

Q: A football player weighing 85 kg accelerates from a stationary position, over a distance of 10m and…

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Q: When being unloaded from a moving truck, a 10.0- kilogram suitcase is placed on a flat ramp inclined…

A: Given information:Mass of the suitcase (m) = 10 kgInclination of the ramp (θ) = 36.00Accelration of…

Q: A 75-N cart is being pulled by a rope along a frictionless inclined surface as shown in the given…

A: The net force is the sum of all the forces. We firstly draw FBD or free body diagram. It tells us…

Q: A 525 N block is on a rough, horizontal surface with an applied horizontal force as shown in Figure…

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Q: Bonnie and Clyde are sliding a 307 kg bank safe across the floor to their getaway car. The safe…

A: Draw the free body diagram of bank safe.

Q: Suppose a 10 N force is applied to the side of a 4.0 kg block that is sitting on a table. The block…

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Q: find the tension in the rope and the normal force that the dloor exerts on the box?

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Q: A weight lifter stands on a bathroom scale. (a) As she pumps a barbell up and down, what happens to…

A: Part (a): The reading on the scale will be high than the actual weight of the barbell as when the…

Q: A 15 kg block is pushed from rest across the floor with a force of 51 N. A) What is the acceleration…

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Q: A force of 1600 N acts parallel to a ramp to push a 300-kg piano into a moving van. The ramp is…

A: Force , F = 1600 NMass of piano , m = 300KgInclination of ramp ,θ = 20°

Q: Jack pulls a cart with a force of 30 N by a rope tied to a cart and making an angle of 25° with the…

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Q: A skier is standing on a 30o hill.  Draw the hill and add idealized force vectors that represent the…

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Q: Consider the 52.0-kg mountain climber shown below. (a) Find the tension in the rope and the force…

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Q: A child sitting on a sled is pulled by a rope along a frictionless surface.  The child and the sled…

A: m=Wg=219 N9.8 m/s2=22.3 kg

Q: Q1) A shopper pushes a 15 {kg) grocery cart for 25 {m} with a constant, horizontal applied force of…

A: Mass of the cart is m = 15 kg Distance travelled by the cart is d = 25 m Horizontal applied force is…

Q: Amy pushes a 400N block on a horizontal surface. The block is about to slip as she said pushes it…

A: The given data are listed below with appropriate variables. Here, W denotes the weight and the F…

Q: Sue and Jenny kick a soccer ball at exactly the same time. Sue’s foot exerts a force of 57.5 N to…

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Q: A pickup truck with mass of 1230 kg moving at 105 km/h stops within a distance of 53.0 m. (a) What…

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Q: A car has forces acting on it, as shown below. The mass of the car is 1000.0 kg. The road is slick,…

A: (a)The resultant of two forces F→1 and F→2 is given by, Fnet=F12+F22+2F1F2cosθ Here, F1 is the…

Q: A pickup truck with a mass of 980 kg is initially at rest. The truck accelerates to a speed of 95…

A: A)

Q: Suppose an airline allows a maximum of 27 kg for each suitcase a passenger brings along. (a) What is…

A: Given data: Maximum mass (m) = 27 kg Need to determine the weight of the passenger.

Q: A boy sits on a tire swing that is attached to a rope. The rope passes over a pulley fastened to the…

A: Given: The weight of the boy and the tire is w. Introduction: The boy sits on a tire which is…

Q: A boy sits in a tire that is attached to a rope that passes over a pulley fastened to the ceiling…

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Q: Mary applies a force of 78 N to push a box with an acceleration of 0.40 m/s?. When she increases the…

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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!