physics ap/dual - homephysicsfreaks.weebly.com/uploads/1/6/3/6/16363660/tn... · web viewthe...
TRANSCRIPT
E. Arrambide Physics AP/Dual
LAWS OF MOTION: TENSION and INCLINE PROBLEMS II
Name: _______________________________________________Period: ______ Date: ________
1. In the figure, if the tension in string 1 is 34 N and the tension in string 2 is 24 N, what is the mass of the object shown?m: ___________________
2. A wet bar of soap (mass=150grams) slides without friction down a ramp 2.0m long inclined at 7.3˚. Determine:
a) Draw the free Body diagram of the soap.
b) How long does it take to reach the bottom? (Neglect friction) __________________
c) (a)How would this change if the soap’s mass were 250 grams? _____________________
3. Calculate the sum of the two forces acting on the boat shown in the next figure.
4. A friend pulls a 150kg box with a force of 40N and it is exerted at a 30⁰ angle as shown. Assume that friction can be neglected. Calculate:
a) the acceleration of the box
b) the magnitude of the upward force FN exerted by the table on the box.
4. A 200 Newton block is suspended by 3 cables, as in the figure above. Find the tension in each cable.
(T1:_____________________T2:_____________________T3:_____________________)
5. Two masses are attached by a string as shown in the figure below. If m1=30kg and m2=10kg,
a) Determine the acceleration of m2 assuming that block m2 is sliding in a frictionless surface.
b) Find the tension in the rope (no friction).