A man pushes a cart with force of 120-N at an angle of 50 degrees with the ground. If he walks a horizontal displacement of 20-m going to cashier who’s much work is done!

1543 J

Explanation:

The work done by a force when moving an object is given by the equation:

where:

F is the magnitude of the force applied on the object

d is the displacement of the object

is the angle between the direction of the force and of the displacement

For the  cart pushed in this problem, we have:

is the force applied by the man

is the displacement of the cart

is the angle between the directions of the force and of the displacement

Solving for W, we find the work:

i believe it is b. what was the cause of the big bang

hope this !