When you hold a pen and write on your notebook, what kind of force is exerted by you on the pen? By the pen on the notebook? By you on the notebook?

When Neils Bohr shook hand with Werner Heisenberg, what kind of force they exerted?

What do you know about restoring force?

Out of 100 students, two sections of 40 and 60 are formed. If you and your friend are among the 100 students, what is the probability that (a) you both enter the same section? (b) you both enter the different sections?

Lift an object up from the ground. Work done by the force exerted by you on the object moves it in upward direction. Thus the force applied is in the direction of displacement. However there exists a force of gravitation on the object at the same time • Which one of these forces is doing positive work? • Which one is doing negative work? • Give reasons

When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe?

When you roll a die, What are the six possible outcomes?