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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) How would this change if the soap’s mass were 250 grams? _____________________ θ a

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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).

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