Laws of Motion questions
1031 published questions with worked solutions.
- The maximum speed with which a car is driven round a curve of radius 18 m without skidding (where g=10 , ms ^ -2 and the...
- A car takes a turn around a circular curve. If it turns at double the speed, the tendency to overturn is
- On an unbanked road, a cyclist negotiating a bend of radius r at velocity v leans inwards by an angle
- What is the smallest radius of a circle at which a cyclist can travel if their speed is 36 km/h and the angle of inclination...
- A car of mass 1000 kg moves on a circular track of radius 20 m. If the coefficient of friction is 0.64, the maximum velocity with...
- The angle which a bicycle and its rider must make with the vertical when going round a curve of radius 7 m at 5 m/s is
- A car rounds an unbanked curve of radius 92 m without skidding at a speed of 26 m/s. The smallest possible coefficient of static...
- A body moves along a circular path of radius 5 m. The coefficient of friction between the surface of the path and the body is...
- A bend in a level road has a radius of 80 m. Find the maximum speed which a car turning the bend may have without skidding, if =...
- A railway carriage has its centre of gravity at a height of 1 m above the rails, which are 1.5 m apart. The maximum safe speed at...
- A car is moving in a circular horizontal track of radius 10 m with a constant speed of 10 m/s. A plumb line suspended from the...
- **Statement 1:** The angular velocity of the seconds hand of a watch is /30 rad/s. **Statement 2:** = 2 T = 2 60 = 30 rad/s.
- A fly wheel rotates about a fixed axis and slows down from 300 rpm to 100 rpm in 2 min. Then its angular retardation, in...
- When the road is dry and the coefficient of friction is , the maximum speed of a car in a circular path is 10 m/s. If the road...
- If a_r and a_t represent radial and tangential accelerations, the motion of a particle will be circular if
- An unbanked curve has a radius of 60 m. The maximum speed at which a car can make the turn is (take = 0.75, g=10 , ms ^ -2 )
- **Statement 1:** A safe turn by a cyclist should neither be fast nor sharp. **Statement 2:** As the speed increases or the radius...
- What happens to the centripetal acceleration of a particle when its speed is doubled and its angular velocity is halved?
- **Statement 1:** When a particle moves on a circular path with constant speed, it is called uniform circular motion. **Statement...
- The speed limit of a car over a roadway bridge in the form of a vertical arc is 9.8 , ms ^ -1 . The diameter of the arc is
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