Punjab 9th Class Physics Chapter 3 Dynamics Mcqs Test Online Punjab 9th Class Physics Chapter 3 Dynamics Mcqs Test Online 123456789 Question 1 of 9Physics 1. Inertia depends upon: velocitymass net force force Question 1 of 9Question 2 of 9 2. A string is stretched by two equal and opposite forces of 10 N each. The tension in the string is: 10N 20 N5N zero Question 2 of 9Question 3 of 9 3. A boy jumps out of a moving bus. There is a danger for him to all: away from the bus in the direction of motion towards the moving bus opposite to the direction of motion Question 3 of 9Question 4 of 9 4. When a horse pulls a cart, the action is on the: earth cart earth and cart horse Question 4 of 9Question 5 of 9 5. Which of the following is the unit of momentum is: Ns⁻¹ Nm kgms⁻² NsQuestion 5 of 9Question 6 of 9 6. The mass of a body: increases when accelerated opposite to the direction of motiondecreases when accelerated decreases when moving with high velocity Question 6 of 9Question 7 of 9 7. Newton’s first Law of motion is valid only in the absence of: momentum net force force friction Question 7 of 9Question 8 of 9 8. Which of the following material lowers friction when pushed between metal plates? fine marble powder air water oilQuestion 8 of 9Question 9 of 9 9. Two bodies of masses m₁ and m₂ attached to the ends of an inextensible string passing over a frictionless pulley such that both move vertically. The acceleration of the bodies is: m₁ + m₂/m₁–m₂ g m₁ – m₂/m₁+m₂ g 2m₁ m₂/m₁+m₂ gm₁ x m₂/m₁+m₂ g Question 9 of 9 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.