/10 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 12345678910 Chapter 4 : Laws of Motion This Quiz Contains a set of 10 Questions. The Passing Cut-off is 60%. To start the Quiz, click on the Start Button. All the Best! 1 / 10 The foundation of mechanics is laid by Thermodynamics Laws of motion Waves Optics 2 / 10 A force acts on a body for time t. Impulse equals Ft mv ma F/t 3 / 10 Equilibrium is possible when acceleration is Maximum Minimum Infinite Zero 4 / 10 Free body diagram shows Forces Motion Velocity Displacement 5 / 10 Net force required to keep body moving with constant velocity is Zero Constant Increasing Decreasing 6 / 10 Impulse is equal to change in Energy Velocity Momentum Acceleration 7 / 10 A body of mass 1 kg is moving with constant velocity 10 m/s. Net force on it is 0 N 10 N 1 N 100 N 8 / 10 Friction depends mainly on Area of contact Shape of surface Nature of surfaces Weight only 9 / 10 A lift moves upward with acceleration a. Apparent weight is mg m(g−a) ma m(g+a) 10 / 10 If a force produces acceleration of 4 m/s² in 2 kg mass, force is 8 N 2 N 4 N 16 N Your score is 0% Restart quiz