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5/40 MCQs for:
Dynamics: Newton’s Laws of Motion
Which of Newton's laws best explains why motorists should buckle-up?
An object of mass 6000 kg rests on the flatbed of a truck. It is held in place by metal brackets that can exert a maximum horizontal force of 9000 N. When the truck is traveling 15 m/s, what is the minimum stopping time if the load is not to slide forward into the cab?

Two toy cars (16 kg and 2.0 kg) are released simultaneously on an inclined plane that makes an angle of 300 with the horizontal. Make a statement which best describes their acceleration after being released.

In the absence of an external force, a moving object will:
Action-reaction forces are: