Punjab 9th Class Physics Chapter 4 Turning Effect of Forces Mcqs Test Online Physics Chapter 4 Turning Effect of Forces Mcqs Test Online 9th Class Punjab 12345678 Question 1 of 8Physics 1. Racing cars are made stable by: decreasing their widthdecreasing their mass lowering their center of gravity increasing their speed Question 1 of 8Question 2 of 8 2. A body is neutral equilibrium when its center of gravity: is situated at its bottomis at its highest position is at the lowest position keeps its height if displaced Question 2 of 8Question 3 of 8 3. A force of 10 N is making an angle of 30° with the horizontal. Its horizontal component will be: 8.7 N4 N 5 N 7 N Question 3 of 8Question 4 of 8 4. The number if vectors that can be added by head to tail rule is: 2 1 4any number Question 4 of 8Question 5 of 8 5. A couple is formed by: two forces perpendicular to each other two equal and opposite forces in the same line two like parallel forces two equal and opposite forces not is the same lineQuestion 5 of 8Question 6 of 8 6. The number of perpendicular components of a vector are: 2 14 3 Question 6 of 8Question 7 of 8 7. Two equal but unlike parallel forces having different line of action produce: neutral equilibriumequilibrium a torque a couple Question 7 of 8Question 8 of 8 8. A body is in equilibrium when is: acceleration is zero speed and acceleration are uniformspeed is uniform acceleration is uniform Question 8 of 8 Loading... Test By Subject Punjab Test By Topics 9th Class Physics You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.