A block of 2kg is resting on a smooth surface. At what angle a force of 10N be acting on the block so that it will acquire a K.E of 10J after moving 2m _______.
A. 30°
B. 60°
C. 45°
D. 90°
Answer:B
A block of 2kg is resting on a smooth surface. At what angle a force of 10N be acting on the block so that it will acquire a K.E of 10J after moving 2m _______.
A. 30° B. 60° C. 45° D. 90°