contestada

Which statement is correct?
1. You can exert greater force on the pedalsof a bicycle if you pull up on the handlebars; you will exert smaller force on the pedals of a
bicycle if you push down on the handlebars.
2. All are wrong.
3. You can exert greater force on the pedals of a bicycle if you pull up on the handlebars; you can exert greater force on the pedals of a bicycle if you push down on the handlebars.
4. You will exert smaller force on the pedals of a bicycle if you pull up on the handlebars; you will exert smaller force on the pedals of a bicycle if you push down on the handlebars.
5. You will exert smaller force on the pedals of a bicycle if you pull up on the handlebars; you can exert greater force on the pedals of a bicycle if you push down on the handlebars.