Combinations of base units are
A) simple units
B) derived units
C) scalars
D) vectors
Correct Answer:
Verified
Q15: Total momentum within a closed system is
A)increasing
B)decreasing
C)zero
D)constant
Q16: Average force acting on 900 kg car
Q17: Interaction that causes an object's momentum to
Q18: Momentum possessed by spinning objects is called
A)linear
Q19: In a perfectly inelastic collision, kinetic energy
A)totally
Q20: Contact force always acts at
A)acute angles to
Q22: Two forces which make up Newton's third
Q23: Rate of falling object in vacuum is
A)independent
Q24: At terminal velocity the
A)air resistance and weight
Q25: Vehicle will accelerate as long as
A)air resistance
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