Final SL Hes 102

Front

What type of work is being done to my hamstrings when flexing my knee?

Back

Positive

Front

When throwing a ball in the air, when will KE=PE?

Back

Half peak height

Front

What is strain energy?

Back

PE due to deformation

Front

Two workers use 100 N of force to move a sofa 4 meters in 6 seconds. How much power is required?

Back

66.7W

Front

What is power?

Back

the rate of work being done

Front

A seesaw is an example of what type of lever?

Back

Class 1

Front

What type of external force has only angular motion?

Back

force couple

Front

Centric force involves change in what type of motion?

Back

linear only

Front

True or false, positive is associated with clockwise

Back

False

Front

What happens if you push on an object which has a CG below base of support?

Back

Remains stable