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Explore 22 free Laws of Motion questions in Kerala DHSE Plus One Physics. Each question opens with answer choices, the correct answer and a worked solution.
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Showing questions 1–22 of 22.
A bus brakes hard and the standing passengers lurch forward. The property of matter behind that lurch is:Read the answer and worked solution →A textbook defines that property in two words: resistance to:Read the answer and worked solution →Rolling balls down inclined planes to work out how motion really behaves was the method of:Read the answer and worked solution →The older view that a body needs a constant push just to keep moving is described as:Read the answer and worked solution →A trolley on a level floor is pushed and then released. If no net external force acted, its acceleration would be:Read the answer and worked solution →The same law read backwards says acceleration can be non-zero only when there is a net external:Read the answer and worked solution →A 2 kg trolley moves at 3 m/s. Multiplying its mass by its velocity gives its:Read the answer and worked solution →Because velocity has a direction as well as a size, momentum is a:Read the answer and worked solution →A cricketer catches a fast ball and pulls his hands back as he does so. This lengthens the stopping time, which makes the force needed:Read the answer and worked solution →Stated generally, the greater the rate of change of momentum, the greater is the:Read the answer and worked solution →An engineer records a force in SI units. That unit is the:Read the answer and worked solution →A hammer strikes a nail for a few milliseconds. Force multiplied by that short time duration gives the:Read the answer and worked solution →A very large force acting for a very short time is described as an:Read the answer and worked solution →In the third law, the words action and reaction are said to mean nothing else but:Read the answer and worked solution →Two railway wagons collide and couple together. The standard application of conservation of momentum here is the study of a:Read the answer and worked solution →A book lies still on a table. Balancing its weight is an upward push from the table called the:Read the answer and worked solution →A crate is pushed but does not budge. The surface force that cancels the push is called:Read the answer and worked solution →The friction acting before an object begins to slide is distinguished from the friction acting once it moves. The first is called:Read the answer and worked solution →The constant of proportionality linking maximum static friction to the normal force is the coefficient of:Read the answer and worked solution →Experiments show that the coefficient for a sliding object compares with the one for a stationary object as:Read the answer and worked solution →A ring or sphere rolling without slipping touches the ground at just one point at a time. In principle it suffers:Read the answer and worked solution →A stone is whirled on a string. The inward force keeping it on its circle is the centripetal force, supplied here by the:Read the answer and worked solution →
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