31One horsepower is approximately equal to how many watts?
32Speed of a moving object is defined as distance covered divided by what?
33Velocity is a vector quantity because it has magnitude and what other property?
34Which of the following is a scalar quantity, having magnitude but no direction?
35Acceleration is defined as the rate of change of what quantity?
36An object moving with uniform velocity travels equal distances in equal intervals of time in a what path?
37The recoil of a gun when fired is best explained by which law of motion?
38Weight of an object is a measure of the gravitational force acting on its what?
39Unlike weight, the mass of an object remains constant regardless of what?
40Which unit is used to measure the weight (a force) of an object?
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