1. Find the resultant of two forces of 40 lbs. and 50 lbs. acting at an angle of 60○ between them.
2. Three forces of 30 gms, 50 gms, and 60 gms respectively act at an angle of 120○ from each other. Find the resultant by rectangular-resolution (a) by making the 30-gm force lie on the x-axis...
1. A bullet with a mass of 0.0050kg and moving with a speed of 400 m/s penetrates a distance of 0.08m into a wooden block firmly attached to the earth. Assume that the force that stops it is constant.
Compute for:
a) The acceleration of the bullet
b) The accelerating force
c) The time of...