Question: If a number of forces are acting at a point, their resultant is given by [A]. (∑V)2 + (∑H)2 [B]. [C]. (∑V)2 +(∑H)2 +2(∑V)(∑H) [D]. Answer: Option B Explanation: No answer description available for this question.

Question: If P is the force acting on the body, m is the mass of the body and a is the acceleration of the body, then according to Newton’s second law of motion, [A]. P + m.a = 0 [B].…

Question: D’ Alembert’s principle basically depends upon Newton’s second law of motion. [A]. Correct [B]. Incorrect Answer: Option A Explanation: No answer description available for this question.

Question: A science teacher claimed that Newton’s third law of motion is involved while studying the motion of rockets. His statement is [A]. justified [B]. not justified Answer: Option A Explanation: No answer description available for this question.

Question: Newton’s second law motion __________ a relation between force and mass of a moving body. [A]. gives [B]. does not give Answer: Option A Explanation: No answer description available for this question.

Question: According to Newton’s first law of motion, [A]. every body continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force [B]. the rate of change of…

Question: A number of forces acting at a point will be in equilibrium, if [A]. all the forces are equally inclined [B]. sum of all the forces is zero [C]. sumof resolved parts in the vertical direction is zero (i.e.…

Question: If the gravitational acceleration at any place is doubled, then the weight of a body will be [A]. g/2 [B]. g [C]. 2g [D]. 2g Answer: Option D Explanation: No answer description available for this question.

Question: If a body is thrown upwards, then the gravitational acceleration is taken as zero. [A]. Correct [B]. Incorrect Answer: Option B Explanation: No answer description available for this question.

Question: If the body falls freely under gravity, then the gravitational acceleration is taken as [A]. +8.9 m/s2 [B]. -8.9 m/s2 [C]. +9.8 m/s2 [D]. -9.8 m/s2 Answer: Option C Explanation: No answer description available for this question.