what is force what effects can be caused by force
Answers
Answer:
At a blood donation camp organized to celebrate the World Diabetes Day, a total 270 volunteers had queued up for blood donation. The number of people with blood group ‘O’ was thrice the number with blood group A. The number of volunteers with blood group ‘AB’ was twice the number with blood group A and those with blood group B was 20 more than 4 times with blood group A. Find the number of volunteers of each blood group. What is your view on this act of donating blood.
Answer:
A force can produce the following effects:
1) A force can move a stationary object. 2) A force can stop a moving object. 3) A force can change the speed of a moving object. 4) A force can change the direction of a moving object. 5) A force can change the shape and size of an object.