A 57.4 kg cart rests on a horizontal floor where the coefficient of static friction is 0.55. What is the minimum amount of force (in N) needed to move the cart? An object weighs 267.4N on a planet where the acceleration due to gravity is 8.1m/s². What is its weight (in N) on Earth?

Q: Mary applies a force of 70 N to push a box with an acceleration of 0.60 m/s2. When she increases the…

A: The forces acting on the box are the force applied by Mary in the direction of motion of box and…

Q: A 80.0-kg skier starts down a 100-m high, 15.0° slope on regular skis. The coefficients of friction…

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Q: A student weighs 200 N. If he is in an elevator that is accelerating upward at 2.00 m/s/s, what will…

A: Given that:-Weight of student=mg=200NUpward acceleration, a=2.00m/s2We know thatApparent weight 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: A lamp hangs vertically from a cord in a descending elevator that decelerates at 1.9 m/s2. (a) If…

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Q: book (m = 3.50 kg) is at rest on a table. Maria pushes down on the book with a 10.0 N force. If the…

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Q: A single-celled animal called a paramecium propels itself quite rapidly through water using its…

A: Newton's second law of motion states that the acceleration of an object is directly proportional to…

Q: A person pushes a 0.20 kg lunch tray across a table

A: Required : The normal force, N.

Q: An object with a mass of 1.76 kg is initially at rest upon a horizontal, frictionless surface. An…

A: Mass = 1.76 kg Force = 3.04 N Time = 2.08 sec Velocity =?

Q: Two boxes (m = 0.500 kg and M = 1.00 kg) are sliding down a rough incline. The coefficient of…

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Q: A driver drives his 1225.0-kg vehicle heading north and then turns east at an intersection. It…

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Q: A 0.30 kg puck is being pushed across a table with a horizontal force of 2.0 N. It starts from rest…

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Q: A force of 1.8 N is applied horizontally to a 683 g cereal box that is at rest on a horizontal…

A: As the box is not moving vertically that means the vertical forces are balanced that is : N = mg…

Q: Komi was on vacation and went to scale Mt. Banahaw. Her weight at the base of the mountain is 540 N;…

A: Given weight of Komi at the mountain base is Wb = 540 N and the weight of Komi at the top of the…

Q: The figure below is for a 6 kg box on a horizontal floor. Initially, you are pushing horizontally on…

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Q: A 65.7-kg person stands on a scale in an elevator. What is the apparent weight when the elevator is…

A: Given  The mass of the person is m = 65.7 kg. The upward acceleration is a = 1.77 m/s2.  The…

Q: Two forces act on a 2.90 kg object, the gravitational force and a second, constant force. The object…

A: Mass of the object m = 2.90 kgAfter 1.20 s the displacement r→=4.1i^−3.3j^The initial velocity of…

Q: Because you wanted space, you woke up on unknown planet. While thinking you dropped a 150-g stone…

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Q: omi was on vacation and went to scale Mt. Banahaw. Her weight at the base of the mountain is 540 N;…

A: Weight = mg Since m is constant so Percentage decrease in weight = percentage decrease in…

Q: What is the force due to the acceleration caused by gravity on a mass of 35.7kg if it is placed on…

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Q: A single-celled animal called a paramecium propels itself quite rapidly through water using its…

A: Given: Drag coefficient b = 0.330 kg/mSpeed v = 0.000137 m/sNow, the drag force is fd = -bv2As it is…

Q: A 645 kg car is being pushed along a flat parking lot at a constant speed of 1.78 m/s. The…

A: The mass of the car, m=645 kg The velocity of the car, v=1.78 m/s The coefficient of friction…

Q: A woman in a lift is trying to weign m/s, and finally decelerates at 1.1 m/s. During the first stage…

A: Given downward accleration ,a=1.7 m/s2costanr speed ,v=3m/sFinaly decelerates at 1.1 m/s2 scale…

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 stationary box has a coeffcicient of static friction between it and the floor of 0.93 and a normal…

A: Coefficient of static friction between stationary box and floor = 0.93 Normal force = 336 N Maximum…

Q: A body hangs from a spring balance supported from the roof of an elevator. If the elevator has an…

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Q: What is the Normal force and the acceleration of the object shown in the figure, where F1 = 25 N, F2…

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Q: A horizontal force of magnitude F = 56.2 N pushes on a block of mass m = 5.87 kg. The block is on a…

A: The objective of the question is to find the acceleration of the block on the incline in terms of…

Q: You are pulling on a box (that has a 5.9 kg mass) by using a rope, pulling upward with a force of…

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Q: Scientists are experimenting with a kind of gun that may eventually be used to fire payloads…

A: Mass of projectile is Initially projectile is at rest, that is, Final velocity of projectile is Net…

Q: A 51.9 kg crate is hung from the ceiling by two wires. Each wire makes an angle of 41 degrees with…

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Q: A 1250 kg boat is traveling at 90 km/h when its engine is shut off. The magnitude of the frictional…

A: Using Newton’s second law of motion,

Q: Mary applies a force of 78 N to push a box with an acceleration of 0.49 m/s2. When she increases the…

A: Draw the free-body diagram of the system.

Q: A small child is trying to push a 100 kg box across a rough surface He is applying a force of 100 N…

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Q: ng from the middle of a clothesline. The rope is attached at equal heights 24 units apart and the…

A: We know that here we have given that the rock hanging on the middle of the clothesline and the entre…

Q: A coin is resting on the surface of a closed book. As you slowly open the cover, the coin remains in…

A: The angle of repose is the maximum angle at which any object remains stable. It's the threshold…

Q: Two horizontal forces, P and Q, are acting on a block that is placed on a table. We know that P =…

A: Given: The mass of the object is 5.1 kg. P→=-2.1i^+4.25k^ N The velocity of the object is constant.

Q: A 3.0 kg block moves up on a rough 20° inclined plane with µk = 0.43. A force of 16 N parallel to…

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Q: A constant force Fa pushes a 22.5-kg box across a rough horizontal surface. The magnitude of Fa is…

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Q: a 2 kg golf ball moves along an x axis according to x(t) = 10t^3 - 2.80t^2 + 7.4t +15 , with x in…

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Q: A lamp hangs vertically from a cord in a descending elevator that decelerates at 1.7 m/s2. (a) If…

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Q: There are two forces on the 1.66 kg box in the overhead view of the figure but only one is shown.…

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Q: You are doing a jump height test. To evaluate the jump test, you crouch down 1.8 ft from your normal…

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Q: While two forces act on it, a particle is to move at the constant velocity = (3.58 m/s) -(-3.26…

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