Net Force and Motion Mini Quiz

Two people push a box to the right with forces of 25 N and 30 N, while a third person pushes to the left with 20 N. What is the net force and direction?

• 75 N to the right

• 35 N to the right

• 35 N to the left

• 25 N to the right

A book is at rest on a table. The force of gravity pulling it downward is 10 N. What is the force exerted by the table on the book if it remains at rest?

• 0 N

• 5 N

• 10 N

• 20 N

A cart is being pulled with 40 N to the right and experiences 15 N of friction to the left. What is the net force acting on the cart?

• 55 N to the right

• 40 N to the right

• 25 N to the right

• 15 N to the right

Two tugboats pull a ship in opposite directions. One tugboat applies 85 N to the right, and the other applies 60 N to the left. What is the net force and direction?

• 145 N to the right

• 25 N to the right

• 145 N to the left

• 25 N to the left

A dog pulls on a leash with a force of 50 N forward while friction from the ground resists with 30 N. What is the net force on the dog?

• 80 N forward

• 20 N forward

• 50 N forward

• 30 N forward

A box is pushed with 60 N to the right and 40 N to the left. If friction adds an extra 10 N to the left, what is the final net force and direction?

• 10 N to the right

• 20 N to the right

• 10 N to the left

• 20 N to the left

A force of 120 N to the right and 120 N to the left act on a crate. If a worker pushes with an additional 30 N to the left, what is the net force and direction?

• 60 N to the right

• 30 N to the left

• 120 N to the right

• 90 N to the left

A 200 kg object is experiencing an unbalanced force of 400 N to the right and 250 N to the left. What is the net force acting on the object?

• 650 N to the right

• 150 N to the right

• 650 N to the left

• 150 N to the left

A moving cart experiences 75 N of force to the right and 30 N of resistance to the left. If another force of 20 N is applied to the right, what is the final net force?

• 65 N to the right

• 125 N to the right

• 95 N to the right

• 25 N to the right

A sled is being pulled with 180 N to the right while wind resistance and friction push back with 75 N. If an extra 50 N force is added to the left, what is the new net force?

• 75 N to the right

• 55 N to the right

• 105 N to the right

• 55 N to the left