In-Class Quiz 1: Newton’s First Law
Newton’s First Law is the:
A.
B.
C.
D.
E.
Law
Law
Law
Law
Law
of
of
of
of
of
Gravity
Equilibrium
Inertia
Acceleration
Motion
When the net force on an object is zero:
Objects at rest remain at rest and
objects moving at constant velocity continue
at this velocity
Quiz 2a
A block with mass 2 kg, initially at rest on a
table, is pulled by a horizontal force F. The
coefficient of static friction (µs) is 0.3 and
the coefficient of kinetic friction (µk) is 0.2.
Find the friction if F = 1 N (Assume g = 10
m/s2).
A.0 N
B. 1 N
C.2
N
F
D.4 N
E. 10 N
Quiz 2b (will count for credit)
A block with mass 2 kg, initially at rest on a
table, is pulled by a horizontal force F. The
coefficient of static friction (µs) is 0.3 and
the coefficient of kinetic friction (µk) is 0.2.
Find the friction if F = 2 N (Assume g = 10
m/s2).
A.0 N
B. 1 N
C.2
N
F
D.4 N
E. 10 N
Quiz 2c
A block with mass 2 kg, initially at rest on a
table, is pulled by a horizontal force F. The
coefficient of static friction (µs) is 0.3 and
the coefficient of kinetic friction (µk) is 0.2.
Find the friction if F = 10 N (Assume g =
10 m/s2).
A.0 N
B. 1 N
C.2
N
F
D.4 N
E. 10 N
In class Quiz 3
For a block sliding down a plane, the frictional force is
pointed-1.
2.
3.
4.
Normal to the plane
Down the plane
Up the plane
Can not be
determined