Q1 · easy · AI-verified
The time taken by a freely falling body to reach the ground from height h is:
- √(2h/g)
- √(h/2g)
- √(2g/h)
- 2√(h/g)
Q2 · easy · AI-verified
A body of mass 5 kg is acted upon by a force of 20 N. What is the acceleration produced?
- 2 m/s²
- 4 m/s²
- 5 m/s²
- 25 m/s²
Q3 · easy · AI-verified
A car moving at 30 m/s applies brakes and stops after traveling 150 m. What is the deceleration?
- 1 m/s²
- 2 m/s²
- 3 m/s²
- 4 m/s²
Q4 · easy · AI-verified
A ball is thrown vertically upward with velocity 20 m/s. What is the maximum height reached? (Take g = 10 m/s²)
- 10 m
- 20 m
- 40 m
- 200 m
Q5 · easy · AI-verified
When a body is in equilibrium, the net force acting on it is:
- Maximum
- Minimum
- Zero
- Cannot be determined