Advertisements
Advertisements
प्रश्न
Define contact forces.
उत्तर
The forces which are applied on a body through a connector, are called contact forces. Forces like Frictional force, Mechanical force, etc., are the forces of contact.
APPEARS IN
संबंधित प्रश्न
State the effects of a force applied on a non-rigid and a rigid body. How does the effect of the force differ in the two cases?
Define Newton (the S.I unit of force)
Complete the following
1 N = ..........dyne.
Complete the following:
1 N = ............kgf (approx)
Two balls of masses in ratio 1 : 2 are dropped from the same height find
a) the ratio between their velocities when they strike the ground and
b) the ration if the forces acting on them during motion.
How do you define force? What are the forces acting on a man standing in a lift? If the lift moves down with an acceleration of 2 ms−2, what is the net force on the man if his mass is 50 kg?
Fill in the empty spaces
Can you give example for contact and non-contact forces?
If we apply force against the direction of motion of the body, then the body will
One kilogram-force equals to
Briefly explain how we experience a force in our daily life.