1.
A man of 60 kg moves in a lift of constant velocity 5 m/s. What is the reactive force acting on the man by the elevator?
2.
When motion is _______, the normal component of acceleration is zero.
3.
In projectile motion, which of the following factors affecting the actual path of motion are neglected?
4.
Which of the following is represented by the area under force-displacement diagram?
5.
According to work energy principle, a particle of mass m when subjected to unbalanced force system, the work done during displacement by all forces is equal to change in ____________ during displacement.
6.
The force for which work done is independent of _______ is called as conservative force.
7.
A ball is dropped on a horizontal surface from a height of 15 m. What will be the rebounding height of the ball after striking the surface? (coefficient of restitution = 0.8)
8.
Which of the following laws derive impulse moment principle?
9.
If a body in equilibrium condition is acted by three forces at three points, then the line of action of these forces should be _____
10.
According to Lami's theorem, a body is in equilibrium condition if each force among three ____________ are proportional to sine angle between other two.
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