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Transcript 
NET FORCE/NEWTON’S 2ND LAW
HONORS PHYSICS
Find the net force and direction of each below
6. Three forces act on an object initially at rest as shown below.
70N
5kg
35N
20N
(a) Find the net force on the object.
(b) Find the acceleration of the object.
7.
A rocket of mass 10000 kg on the surface of the earth accelerates upward at a rate
of 4 m/s2. Find the net force on the rocket
8.
A 10 kg block is being pushed at a constant velocity in the direction shown above by a force F = 35N.
(a) Using the picture below, draw and label all the forces acting on the block.
(b) Determine the coefficient of friction between the block and the surface.
(c) Determine the force that the surface exerts on the block.
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