Balanced And Unbalanced Forces Question Preview (ID: 51210)


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The combination of all forces acting on an object is called a(n)
a) balanced force
b) unbalanced force
c) newton
d) net force

To find the net force of forces that are acting in the same direction, you need to ________ the two forces.
a) add
b) subtract
c) multiply
d) divide

To find the net force of forces that are acting in opposite directions, you need to ___________ the two forces.
a) add
b) subtract
c) multiply
d) divide

All of the statements below are true about an unbalanced force EXCEPT
a) If an unbalanced force is applied to an object that is already moving, it will change its speed and/or direction.
b) If an unbalanced force is applied to an object that is not already moving, the object will begin to move in the direction of
c) An unbalanced force has a net force greater than zero.
d) An unbalanced force has a net force of zero.

All of the statements are true about a balanced force EXCEPT
a) If the object is not moving and two forces are applied to it, the forces cause the object to move.
b) If the object is already moving and two balanced forces are applied to it, the object will continue moving at the same speed
c) A balanced force has a net force greater than zero.
d) A balanced force has a net force of zero.

A chipmunk and a squirrel push on an apple in the same direction. The chipmunk is pushing with a force of 6 N. The squirrel is pushing with a force of 2 N. What is the net force?
a) 8 N
b) 4 N
c) 12 N
d) 3 N

Two children fight over a toy. One pulls with a force of 8 N to the right. The other pulls with a force of 6 N to the left. What is the net force and direction of the toy?
a) 2 N to the right
b) 2 N to the left
c) 14 N to the right
d) 48 N to the right

Two teams are playing tug-of-war. One team pulls with a force of 50 N to the right. The other team pulls with a force of 50 N to the left. What is the net force and direction of the rope?
a) 100 N to the right.
b) 0 N and the rope does not move.
c) 2500 N and the rope moves to the left.
d) 1 N and the rope moves to the right.

Paige and Rebecca are pulling on a cart to the right. Paige is pulling with a force of 10N. Rebecca is pulling with a force of 2 N. Erica is pulling on the same cart to the left with a force of 20 N. What is the net force and direction?
a) O N and the cart does not move.
b) 8 N and the cart moves to the left.
c) 8 N and the cart moves to the right.
d) 38 N and the cart moves to the left.

Bob is pushing on the box to the right with a force of 20 N. Tom is pushing on the box up with a force of 20 N. What is the net force and the direction?
a) 20 N to the right and 20 N up (20 N diagonally up and to the right)
b) 0 N and the box doesn't move.
c) 40 N to the right
d) 40 N up

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