Question 1 ▼ A horse in space cannot move a cart because Horse has no energy No external force can act on the system Cart is too heavy Friction is zero Check Answer Report Question
Question 2 ▼ If string breaks, what happens to the stone's angular momentum? Increases Decreases Remains constant Becomes zero Check Answer Report Question
Question 3 ▼ A stone in circular motion. What happens to its momentum? Constant Increases Decreases Changes continuously Check Answer Report Question
Question 4 ▼ A ball is deflected by 45°. What is conserved in the process? Momentum Kinetic energy Mass Velocity Check Answer Report Question
Question 5 ▼ A gun fires a shell. What is the direction of gun's momentum? Same as shell Perpendicular to shell Opposite to shell Zero Check Answer Report Question