Practice Summary (4.11) - LAWS OF MOTION - CBSE 11 Physics

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8 questions

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6 sample questions

Question 1.
What does Newton's First Law state?
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Think about how objects behave when no forces are applied.
Question 2.
Define momentum.
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Remember the formula p = mv.
3Question 3.
What does Newton’s First Law state?
- A body in motion stays in motion regardless of forces acting on it
- A body will stay at rest unless acted upon
- Both A and B
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Think of examples like a puck sliding and stopping due to friction.
4Question 4.
Is momentum a scalar or vector quantity?
- True
- False
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Can momentum change direction?
Question 5.
Two cars collide at an intersection. Car A with a mass of 800 kg moving at 25 m/s hits Car B, which is stationary and has a mass of 1200 kg. Determine their final velocities assuming a perfectly elastic collision.
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Set up the equations for momentum and kinetic energy conservation.
Question 6.
A 0.5 kg soccer ball is kicked with a speed of 15 m/s. Calculate the impulse imparted to the ball over a duration of 0.3 seconds.
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Find the change in momentum using the mass and speed data.

4 more questions in this section. Enroll free to practise them all.