Laws of Motion questions
1031 published questions with worked solutions.
- For ordinary terrestrial experiments, the observer is in an inertial frame in which of the following cases?
- A force of 5 N acts on a body of weight 9.8 N. What is the acceleration produced, in m/sec²?
- A light spring balance hangs from the hook of another light spring balance, and a block of mass M kg hangs from the former. Then...
- A force vector applied on a mass is represented as F⃗ = 6î − 8ĵ + 10k̂ and it accelerates with 1 m/s². What will be the mass of...
- A machine gun fires 4 bullets per second. The mass of each bullet is 20 g, and the velocity of the bullet when it leaves the gun...
- A body whose momentum is constant must have a constant
- An aircraft is moving with a velocity of 300 ms⁻¹. If all the forces acting on it are balanced, then
- Which one of the following is NOT a force?
- A gun of mass 10 kg fires 4 bullets per second. The mass of each bullet is 20 g, and the velocity of the bullet when it leaves...
- Rocket engines lift a rocket from the earth's surface because the hot gas with high velocity
- Three concurrent co-planar forces 1 N, 2 N and 3 N, acting along different directions on a body,
- An object is subjected to a force in the north-east direction. To balance this force, a second force should be applied in the...
- Three forces F₁, F₂ and F₃ keep a body in equilibrium. If F₁ = 3 N along the positive x-axis and F₂ = 4 N along the positive...
- Which of the following groups of forces could be in equilibrium?
- A mass of 5 kg is suspended by a rope of length 2 m from a ceiling. A force of 50 N in the horizontal direction is applied at the...
- A 2 kg block is lying on a smooth table which is connected by a string passing over a pulley. The other end of the string is...
- Two masses m₁ = 5 kg and m₂ = 4.8 kg, tied to a string, are hanging over a light frictionless pulley. What is the acceleration of...
- A block of mass m₁ rests on a horizontal table. A string tied to the block is passed over a frictionless pulley fixed at the end...
- A block of mass 'm' is connected to another block of mass 'M' by a massless spring of spring constant K. The blocks are kept on a...
- Two bodies of mass 3 kg and 4 kg are suspended at the ends of a massless string passing over a frictionless pulley. The...
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