Wednesday

October 1, 2014

October 1, 2014

Posted by **Max** on Tuesday, February 16, 2010 at 2:58am.

(a) The force of the Earth pulling down on the bike.

(b) The force of the bike pulling up on the Earth.

(c) The force of the hook pulling up on the bike.

(d) The force of the hook pulling down on the ceiling.

Which two forces are equal and opposite because of Newton's third law?

Which two forces are equal and opposite because of Newton's first law?

I would like to say A and B for the first question and A and C for the second one but I'm not sure

- Physics -
**Damon**, Tuesday, February 16, 2010 at 6:12amYes a and b for the first one, the force the bike exerts on earth is the same magnitude as the force earth exerts on the bike.

Yes c and d for the second one. The net force on the hook is zero so its momentum does not change.

**Answer this Question**

**Related Questions**

Physics - A bike is hanging from a hook in a garage. You need to consider the ...

physics - A bike is hanging from a hook in a garage. Consider the following ...

physics - there are 3 parts to my question. i need help on the last part. 1.a. A...

physics - A box containing supplies is vertically lowered at constant speed by a...

physics - You are going for a bike ride. You ride down a straight road at a ...

Math - The bike slots in the bike rack are filled. Don's bike is in the middle. ...

english - Do you know when to ride a bike? Do you know when you should ride a ...

Math - The bike slots in the bike rack are filled. Don's bike is in the middle. ...

physics - A bike rider accelerates constantly to a velocity of 7.4 m/s during 4....

science - How would i set these up? like what is the equations? # A tennis ...