A 2.0-kg block is on a ramp that makes an angle of 30 degrees with the horizontal.     (a) When the applied force is 15N:       (i) What is the block’s acceleration?       (ii) Does the block move up or down the ramp?  b) What force applied upward along and parallel to the ramp, F, would allow the block to move with constant velocity if there is also a frictional force of 5N opposing the motion?

Q: A 5-kN bear slides down an ice slide without friction. If the slide makes an angle of 37° with the…

A:

Q: The block W will be acted by a force of 5N vertically downward to descend at constant velocity. If…

A:

Q: The parachute on a race car of weight 8,815 N opens at the end of a quarter-mile run when the car is…

A: Given: The weight of the parachute is 8815 N. The initial speed is 33 m/s. The final speed is 0 m/s…

Q: The parachute on a race car of weight 8,830 N opens at the end of a quarter-mile run when the car is…

A: Given:Weight of the race car, W = 8830 NSpeed of the car = 38 m/sStopping distance for the racing…

Q: To study for your upcoming assignment, you have placed two of your favorite physics textbooks, one…

A:

Q: An automobile weighing 1700 kg is driven down a 5° incline at a speed of 90 km/h when the brakes are…

A:

Q: What force is required to pull a dog in a wagon along a level sidewalk, as in the following figure,…

A: we know that in order to maintain a constant speed the acceleration of the object should be zero.…

Q: A car moving with a velocity of 20m/s in the north direction, is acted upon by a pair of balanced…

A: According to Newton's First law a body will continue to move with same velocity or remains in rest…

Q: A traffic light is hanging from two cables. Cable #1 pulls up and left, making an angle of 45o with…

A:

Q: A man pulls a 50kg box horizontally from rest while exerting a constant horizontal force, displacing…

A:

Q: A 3.02 kg mass is initially at rest on a 59.5 degree incline. An applied force of 47.8 N directed up…

A: The free body diagram of the mass is shown below.

Q: How far will a 75 kg skier traveling at 20 m/s  go up a 100 incline that has a coefficient of…

A:

Q: A skier of mass m slides up a hill for a distance d along surface coved with snow till it shops. The…

A:

Q: In a pickup game of dorm shuffleboard, students crazed by final exams use a broom to propel a…

A: Given

Q: Besides its weight, a 2.80-kg object is subjected to one other constant force. The object starts…

A: mass = 2.8Kg weight = - 2.8 * 9.8 j^ N  = -27.44 j^ Ninitial speed = 0 m/st = 1.2 secdisplacement =…

Q: A 4.9 kg block is dragged up a hill by a 40 N force pointing uphill.  If the hill is inclined at…

A:

Q: You are pulling a string with a force of 209N attatched to a heavy box of mass 27Kg across your…

A:

Q: A car that weighs 1.30 * 104 N is initially moving at 40 km/h when the brakes are applied and the…

A: Since there are multiple sub parts posted, we will answer the first three sub parts. a) The equation…

Q: In tests on earth a lunar surface exploration vehicle (mass = 5.90 103 kg) achieves a forward…

A: Given, m=5.90103kg a=0.215m/s2 F=1.64103N friction(f)=?

Q: The parachute on a race car of weight 8 820 N opens at theend of a quarter-mile run when the car is…

A: Given:Weight of the race car of the parachute = 8820 NInitial velocity = 35 m/sFinal velocity = 0…

Q: A 3.11kg mass is initially at rest on a 55.3 degree incline. An applied force of48.4 N directed up…

A:

Q: A block 4kg in mass rests on a horizontal plane. What value of horizontal force is required to (a)…

A: We need to calculate the value of force required to just move the block. Also, we need to calculate…

Q: A 40-N crate rests on a rough horizontal floor. A 12-N horizontal force is then applied to it. If…

A: Given data:  Weight of crate (W) = 40 N Force applied (F) = 12 N Coefficient of static friction (μs…

Q: You are pulling a string with a force of 205N attatched to a heavy box of 38kg across your carpeted…

A:

Q: A girl is sledding down a slope that is inclined at 30º with respect to the horizontal. The wind is…

A:

Q: A block with a mass m is pushed up an inclined rough surface by a horizontal force F as shown.   If…

A: Given, M= 5 kg, F=?

Q: A bicyclist of mass 65.0 kg (including the bicycle) can coast down a 6.0 degree hill at a steady…

A:

Q: When a 25-kg crate is pushed across a frictionless horizontal floor with a force of 200 N, directed…

A: Solution:

Q: A block of mass m= 6.7-kg is pulled, via pulley, at a constant velocity upwards along an inclined…

A:

Q: Calculate the magnitude of the normal force on a 15.0-kg block in the following circumstances: (a)…

A:

Q: Calculate the magnitude of the normal force on a 15.0-kgblock in the following circumstances: (a)…

A: The diagram is shwn below:

Q: A 124 kg crate is pushed at constant speed up a frictionless inclined plane of θ = 48 ° with the…

A: Given:- mass =124 kg  Inclined planeθ = 48 °  The pushed the mass by  horizontal force F  Find:- The…

Q: As a fish jumps vertically out of the water, assume thatonly two significant forces act on it: an…

A: a)Acceleration is given by

Q: The 50-kg crate rests on a horizontal surface for which the coefficient of kinetic friction is uk =…

A:

Q: A high diver of mass 64.3 kg steps off a board 10.0 m above the water and falls vertical to the…

A: the velocity and acceleration is,

Q: 5. A 3.00 kg mass is initially at rest at the bottom of an incline of 35.0°. An applied force begins…

A: The free body diagram of the mass is given below.   (a) Express the relation for the frictional…

Q: A block with a mass of 5.07 kg is sliding down an inclined surface. The surface makes an angle of…

A:

Q: A 4 kg box, pulled by a rope, is accelerated at 1.6 m/s2 horizontally across a floor. Assuming µk =…

A: mass of box = 4 kg a = 1.6 m/s2μ = 0.5 net force = ma  = 4 * 1.6  = 6.4 N

Q: In a pickup game of dorm shuffleboard, students crazed by final exams use a broom to propel a…

A: Force of friction is an opposing force to the motion. Coefficient of kinetic friction = 0.66 Can be…

Q: A truck is traveling down a road with a 3-percent grade at a speed of 55 mi/h when the brakes are…

A:

Q: A 8.30-kg hanging object is connected by a light, inextensible cord over a light, frictionless…

A: Let m1 = 5.00 kg and m2 = 8.30 kg. Equations of motion for the masses using Newton’s second law are…

Q: A block is pushed across a horizontal surface by the force shown. If the coefficient of kinetic…

A:

Q: The parachute on a race car of weight 8,845 N opens at the end of a quarter-mile run when the car is…

A: Write the kinematic expression for acceleration

Q: The figure shows an overhead view of a 0.025 kg lemon half and two of the three horizontal forces…

A:

Q: A boy on a skateboard with a combined mass of 42 kg is pushed Up ah Incllne at a constant speed by…

A:

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: