Physics 101: Application of Newton's Laws Review of the different types of forces discussed in Chapter 4: Gravitational, Normal, Frictional, Tension Forces Practice Examples Solving Problems
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Gravitational, Normal, Frictional, Tension Forces
(equilibrium: ax=0, ay=0)
by two wires making angles of 30 and 40 degrees. Find
the tension in the wires.
tied by a string (massless). Mass m1 sits on a horizontal
frictionless table, and mass m2 hangs over a pulley. If
the system is let go, compute the acceleration and the
tension in the string.
plane making an angle q with the horizontal. What is the
acceleration of the block down the plane and what is the normal force exerted by the plane on the block ?
Repeat the problem with friction.
which the boy must pull the string in order to set the
toy into motion along the elevator floor. Assume
that the elevator is accelerating upwards with acceleration a and the coefficient of static friction between the toy and the floor is ms.