Which of the following is the reason a wedge is used in a knife? a)increases the effort force b)decreases the effort force c)changes the direction of the effort force d)decreases the resistance force - for any ! < 3

Isla’s change in velocity is 30 m/s, and hazel has the same change in velocity. which best explains why they would have different accelerations? isla had negative acceleration, and hazel had positive. isla had a different time than hazel. isla had positive acceleration, and hazel had negative. isla went a farther distance than hazel.

Why should seat belts not be mandatory quick plz

You hang a book bag on a spring scale and place the bag on a platform scale so that the platform scale reads 23.7n and the spring scale reads 13.8n. what is the magnitude of the force that earth exerts on the bag?