Friday

October 24, 2014

October 24, 2014

Posted by **Anonymous** on Monday, December 10, 2012 at 9:14pm.

by pulling on a rope attached to the box. The

student pulls with a force of 179 N at an angle

of 29.8

◦

above the horizontal. The box has a

mass of 42.2 kg, and ľk between the box and

the ﬂoor is 0.2.

The acceleration of gravity is 9.81 m/s

2

.

Find the acceleration of the box.

Answer in units of m/s

2

- Physics -
**bobpursley**, Monday, December 10, 2012 at 9:25pmremember that fricion is dependent on Normal force. But the vertical component of pulling is upward, so it lessens weight.

Net force=mass*a

horizonalpulling-friction=ma

solve for a.

**Answer this Question**

**Related Questions**

physics - A student moves a box of books down the hall by pulling on a rope ...

physics - A student pulls on a rope attached to a box of books and moves the box...

Physics - A student decides to move a box of books into her dormitory room by ...

college physics - A student moves a box of books by attaching a rope to the box ...

Physics - A student decides to move a box of books into her dormitory room by ...

Physics - At the beginning of a new school term, a student moves a box of books ...

Physics - At the beginning of a new school term, a student moves a box of books ...

Physics - A student pulls on a rope attached to a box of books with a mass of 35...

physics - A clerk moves a box of cans down an aisle by pulling on a strap ...

physics - a college student takes her book to class by placing them in a box and...