Name: ____________________________________________________ Date: ___________________
Calculating Net Force – p. 19
Net Force =
Forces
Going in the SAME direction
Going in OPPOSITE directions
EQUAL and OPPOSITE
Calculation
Directions: Calculate the net forces acting on the objects described below. Circle the number of
any problem that results in NO MOTION.
1.
2.
3. Which team will push the box farther?
Team 1 Team 2
4. Sally is pushing a shopping cart with a force of 20 N. Because the wheels are
stuck, the friction caused by the ground is exerting a force of 8 N in the opposite
direction. Calculate the net force on the shopping cart, including an arrow
indicating what direction the shopping cart is going.
5. Jeff is pushing a rock up a hill with a force of 85 N. If Chris comes to help and
Chris can push with a force of 60 N, what is the net force on the rock?
5 N
5 N
=
3 N
5 N
=
5 N
5 N
5 N
5 N
12 N
