Question

Choose the right answers :

1) Work has [ ]
A) only director, no magnitude
B) only magnitude
C) Both magnitude, direction
D) None

2) Work is _____ quantity [ ]
A) Vector
B) Scalor
C) Unit less
D) Not determined

3) If positive work is done on a system [ ]
A) decreases
B) increases
C) becomes zero
D) remains same

4) 1 Joule = 1 ________ [ ]
A) N x m(square)
B) kglms (square)
C) Nm
D) N (square) X m (square)

5) A body at rest can have [ ]
A) Velocity
B) energy
C) speed
D) manentum​

Answer 1

Ans1- A

Ans2- B

Ans3- B

Ans4- B