PHYSICS 180A: Fundamentals of Physics
Fall 2016
Lecture Examples Sheet 3 with Solutions
1 A sky diver of total mass 100 kg is falling with a constant velocity of magnitude 50 m/s. What is the net force
on the sky diver?
2 An object of mass 5 kg, initial
PHYSICS 180A Fall 2016
TEST 1: September 12, 2016
DIRECTIONS:
You need a narrow red SCANTRON FORM NO. F-289-PAR-L and a No. 2 pencil.
You may not use a pen to darken boxes on the SCANTRON form.
No calculators, notes, books, or scratch paper are allowed
PHYSICS 180A: Fundamentals of Physics
Fall 2016
Lecture Examples Sheet 2 with Solutions
1 At time t = 0, a soccer ball on a flat field is kicked with an initial speed of 30 m/s and a launch angle of 30c.
Ignoring any effects on the motion of the ball due
PHYSICS 180A Fall 2016
TEST 2: October 5, 2016
DIRECTIONS:
You need a narrow red SCANTRON FORM NO. F-289-PAR-L and a No. 2 pencil.
You may not use a pen to darken boxes on the SCANTRON form.
No calculators, notes, books, or scratch paper are allowed.
PHYSICS 180A: Fundamentals of Physics
Fall 2016
Lecture Examples Sheet 5 with Solutions
1 A block of mass m is sliding along a frictionless inclined plane,
whose incline angle is i.
(a) What is the normal force on the block?
(b) What is the accel
PHYSICS 180A: Fundamentals of Physics
Fall 2016
Lecture Examples Sheet 4 with Solutions
1 (a) What is the weight of an object whose mass is 50 kg?
(b) What is the mass of an object whose weight is 750 N?
2 If an object weighs 600 N (on the Earth), c
PHYSICS 180A: Fundamentals of Physics
Fall 2016
Kinematics Practice with Answers
1-8: Directions: Match each numbered term with the letter that best describes it.
Numbered Terms:
1 displacement
5 average speed
2 velocity
6 magnitude
3 vector
7 av
PHYSICS 180A: Fundamentals of Physics
Fall 2016
Lecture Examples Sheet 7 with Solutions
1 The figure on the left below shows a pair of objects connected by a light cord that passes over a frictionless,
massless pulley. If M = 4 kg and m = 2 kg, find the
PHYSICS 180A: Fundamentals of Physics
Fall 2016
Lecture Examples Sheet 1 with Solutions
1 You walk 6 m east and then turn and walk 8 m north, a journey that takes you 4 s.
(a) Find the total distance you traveled.
(b) Find your displacement.
(c)
PHYSICS 180A: Fundamentals of Physics
Fall 2016
Lecture Examples Sheet 6 with Solutions
1 A box that weighs 150 N slides on a horizontal floor. A horizontal tension force FT of magnitude 110 N is
being exerted on the box in the same direction as the acce