………….is the quantity of matter in an object.
a) weight
b) mass
c) both a & b
d) none of these
Which of the following is the third type of lever? NTS PST ---- 2016/2017
………….of an object remains the same everywhere.
a) weight
b) mass
c) both a & b
d) none of these
Frictional force can be classifies as a special type of: NTS PST ----P-6 2016
a) gravitational force
b) resistive force
c) acceleration force
d) intra molecular force
Friction stops a moving object because it …………motion of one object over another.
a) same direction
b) oppose
c) both a & b
d) none of these
Friction
produces;
a) Heat
b) Cooling
c) Motion
d) Roughness
