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Mechanics | Relativity
A rope whose working strength is 2,000 N is used to tow a 1,000 kg car up a 10 ° incline. Find the maximum acceleration that can be given to the car. The coefficient of friction (µk) between the road and tires is approximately 0.6.
Mechanics | Relativity
A net force of 40 N acts on a 20 kg object. Find the object's acceleration.
Mechanics | Relativity
What is surface potential energy.
Mechanics | Relativity
What is dimension of surface tension.
Mechanics | Relativity
A certain car can go from 0 to 100 km/h in 10 seconds. If the engine delivered twice the power to the wheels, how many seconds would this car take to accelerate from 0 to 100 km/h? No math is needed for this question! Briefly explain your answer.
Mechanics | Relativity
A force of magnitude 200N is directed west, and a second force of magnitude 100N is directed east of north. Find the magnitude and direction of a third force that, when added to the first two forces, gives a resultant whkse magnitude is zero
Mechanics | Relativity
Which of the following five quantities is NOT an expression for energy? Here m is a mass, g is the acceleration due to gravity, h and d are distances, F is a force, v is a speed, a is an acceleration, P is power, and t is time.
Mechanics | Relativity
A man weighing 450 N sits on a platform suspended from a movable pulley and raises himself by a rope passing over a fixed pulley. Assuming the ropes parallel, what force does he exert?
Mechanics | Relativity
two objects travelling around two different circular orbits with constant speed they both have the same acceleration but object a is travelling twice as object b.the orbit radius for object a is? and the orbit radius for object b
Mechanics | Relativity
A 2 kg block is attached to a horizontal ideal spring with constant 200N/m. When the spring has its equilibrium length the block is given a speed of 5mps. What is its maximum elongation of the spring?
