Princess Nourah University Physics Questions & Solutions Paper Please see the attached pictures Make sure you explain the solutions as much as you can 3
d
10. Seen from above, a ball is whirled in a horizontal circle.
At the instant shown, the string breaks. Which of the
dashed arrows shows the path the ball will follow?
b
a
11. A box (weighing 100 N) rests on a rough, horizontal surface. A horizontal force of 50 N
doesn’t move the box. Based on this, what can you say about the coefficient of static friction?
a. us=0.50
b. us > 0.50
c. us 01
2m
m
T2
T
3. How do their accelerations compare?
a. aj > 2
b. a T2
b. Ti
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