Interaction that causes an object's momentum to change is
A) velocity
B) acceleration
C) power
D) force
Correct Answer:
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Q12: In a perfectly elastic collision, the relative
Q13: {{}} A white ball of mass 1.0
Q14: In fireworks the momentum provided by chemicals
Q15: Total momentum within a closed system is
A)increasing
B)decreasing
C)zero
D)constant
Q16: Average force acting on 900 kg car
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
Q21: Combinations of base units are
A)simple units
B)derived units
C)scalars
D)vectors
Q22: Two forces which make up Newton's third
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