Two forces are applied to a 5 kg object, one is 6 N to north and the other is 8

Question

Two forces are applied to a 5 kg object, one is 6 N to north and the other is 8 N to the south. the magnitude force is _____the of the total the magnitude of the acceleration of the object is___ A 60 N force, parallel to the incline, is required to push a certain crate at constant velocity up a frictionless incline that is 30 above the horizontal. the mass of the crate the normal force of the crate is 3. A car is traveling at 30 m/s on a horizontal road. the brakes are applied and the car skids to a stop in 5 s. the coefficient of kinetic friction between the tires and road is: the acceleration of the car is 4. An object of mass 2 kg starts from rest and slides down an inclined plane 90 cm long in 0.5 s. the acceleration of the object down the incline is____ the net force acting on the object along the incline is an object weights 10 N on the earth's surface. (a) the weight of the object on a planet that has one fifth the earth's mass and one half the earth's radius is (b) the weight of the object at two earth's radii above earth's surface is______

Explanation / Answer

here,

1)

mass , m = 5 kg

F1 = 6 N and F2 = - 8 N

a)

the magnitude of total force , F = F1 + F2

F = |F1 + F2|

F = |6 N - 8 N| = 2 N

b)

the magnitude of accelration , a = |F|/m

a = 2/5 m/s^2

a = 0.4 m/s^2

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