MEDIUM
9th CBSE
IMPORTANT
Earn 100

You are marooned on the frictionless horizontal plane and cannot exert any horizontal force by pushing against the surface. How can you get off?

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Important Questions on Competition Corner-1

MEDIUM
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 16 - Competition Corner-1>Exercise: Force and Laws of Motion
Choose the wrong statement of the following
MEDIUM
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 16 - Competition Corner-1>Exercise: Force and Laws of Motion
A long-jumper runs before jumping because
MEDIUM
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 16 - Competition Corner-1>Exercise: Force and Laws of Motion
A man is standing on a boat in still water. If he walks towards the shore, the boat will___.
HARD
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 16 - Competition Corner-1>Exercise: Force and Laws of Motion
A body of mass 300 g is at rest. What force in Newton will you have to apply to move it through 200 cm in 10 sec?
MEDIUM
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 16 - Competition Corner-1>Exercise: Force and Laws of Motion
A boat of mass 3000 kg, initially at rest is pulled by a force of 1.8×104 N through a distance of 3 m. Assuming that the resistance due to water is negligible, velocity of boat is 
MEDIUM
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 16 - Competition Corner-1>Exercise: Force and Laws of Motion
A certain force applied to mass m1, gives it an acceleration of 15 m s-2. The same force is applied on m2 to give it acceleration of 10 m s-2, if the two masses are fixed together and the same force is applied to the combination, then the acceleration will be
MEDIUM
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 16 - Competition Corner-1>Exercise: Force and Laws of Motion
A bullet of mass A and velocity B is fired into a block of wood of mass C. If loss of any mass and friction be neglected, then the velocity of the system must be 
MEDIUM
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 16 - Competition Corner-1>Exercise: Force and Laws of Motion
A driver accelerates his car first at the rate of 18 m s-2 and then the rate of 12 m s-2. The ratio of forces exerted by the engines respectively will be