# Physics

What acceleration would a 35 KG box have if we pushed it with a force of 275 N across a surface that has a coefficient of friction of .7?

1. 👍 0
2. 👎 0
3. 👁 4,754
1. M*g = 35 * 9.8 = 343 N. = Wt. of box = Normal force(Fn ).

Fk = u*Fn = 0.7 * 343 = 240 N. = Force of kinetic friction.

!@#\$%^&-Fk = M*a.
275-240 = 35a, a = ?.

1. 👍 0
2. 👎 0

## Similar Questions

1. ### physics

a wooden box weighing 286N is pushed across the floor by a workman who exerts a horizontal force of 143N. If the force of friction between the box and the floor is 28N, what is the acceleration (in meters per second) of the box?

asked by kassy on October 3, 2016
2. ### physics

wooden box weighing 271 N is pushed across the floor by a workman who exerts a horizontal force of 144 N. If the force of friction between the box and the floor is 28 N, what is the acceleration (in meters/second^2) of the box?

asked by Anonymous on March 1, 2012
3. ### physics

A wooden box weighing 281 N is pushed across the floor by a workman who exerts a horizontal force of 166 N. If the force of friction between the box and the floor is 21 N, what is the acceleration (in meters/second^2) of the box?

asked by nm on March 8, 2011
4. ### physics

A wooden box weighing 271 N is pushed across the floor by a workman who exerts a horizontal force of 144 N. If the force of friction between the box and the floor is 28 N, what is the acceleration (in meters/second^2) of the box?

asked by phil on March 7, 2012
5. ### physics

A box of mass 10 kg is pushed across the floor with a force of 25 N. A 2 N frictional force opposes the motion. What is the acceleration of the box?

asked by Kareem on January 15, 2015
1. ### Physics

A 54 kg box is being pushed a distance of 7.0 m across the floor by a force P whose magnitude is 153 N. The force P is parallel to the displacement of the box. The coefficient of kinetic friction is 0.25. Determine the work done

asked by Brandon on October 13, 2008
2. ### Science

If James pushed a box with the acceleration of 25 m/s2 with a force of 50N, what is the mass of the box?

asked by klk on November 15, 2010
3. ### physics

A 225-kg box is pushed horizontally with a force of 620N. If the coefficient of friction is 0.20, calculate the acceleration of the box.

asked by john on April 23, 2014
4. ### Science-Enr. Phys.

A box of books weighing 325 N moves at a constant velocity across the floor when the box is pushed with a force of 425 N exerted downward at an angle of 35.2 degrees below the horizontal. Fink Mu,k between the box and the floor.

asked by Sara on February 25, 2007
5. ### physics

A box,is resting on a smooth(frictionless)table.The mass of the box is 10 kg. (a)Determine the weight of the box and the normal force acting on(b)If the box is pushed down with a force of 40 Newton determine the normal force(c) If

asked by Jodie on July 22, 2008
6. ### Physics

A 54 kg box is being pushed a distance of 7.0 m across the floor by a force P whose magnitude is 153 N. The force P is parallel to the displacement of the box. The coefficient of kinetic friction is 0.25. Determine the work done

asked by Brandon on October 14, 2008

More Similar Questions