EASY
11th Odisha Board
IMPORTANT
Earn 100

What are the causes of sliding friction?

Important Questions on Laws of Motion

MEDIUM
11th Odisha Board
IMPORTANT
A force of 3000 dyne Acts on a mass of 400 g for 10sec. Find the velocity and momentum of body after 10 s.
EASY
11th Odisha Board
IMPORTANT
A force F=(6i^-8j^)N acts on a mass of 2 kg. Find the acceleration : What is its magnitude?
MEDIUM
11th Odisha Board
IMPORTANT
A constant force acts on a body of mass 1 kg for 5 s And then ceases to work. In the next 5 Seconds the body describes 100 m. Calculate the force that acted on the body.
MEDIUM
11th Odisha Board
IMPORTANT
A 1000 kg car is travelling at 36 km/hr. By the application of brakes it is brought to rest in 10 m. Find the average force.
HARD
11th Odisha Board
IMPORTANT
What force is required to change the velocity from 20 cm/s to 1000 cm/s in 20 s of a body of mass 500 g.
HARD
11th Odisha Board
IMPORTANT
A mass of 5 kg descending vertically draws up a mass of 3 kg by means of a light string passing over a pulley, At the end of 4 s, the string breaks. How much higher the 3 kg mass would go ? Take acceleration due to gravity g=9.8 ms-2
HARD
11th Odisha Board
IMPORTANT
Two metal blocks A and B of mass 2 kg and 1 kg respectively are in contact on a frictionless table. A constant horizontal force of 3 N is applied to block A. Calculate the force of contact between the two blocks. If the same force is applied to block B, then what will be the force of contact?
HARD
11th Odisha Board
IMPORTANT
A glass marble whose mass is 100 g falls from a height of 40 m and rebounds to a height of 10 m. Find the impulse and average force between the marble and the floor if the time of contact is 0.15 s.