draw a FBD of a ball in freefall
only gravity
When you slide a box across the floor, what force must your push be stronger than?
Friction Force
The free body diagram shows forces acting upon an object. If the object is at rest, what is the value of the force not shown?

10
Where did I go to college?
Clemson
What is my son's name?
Coker
A 52-kg bike is moving along a smooth road at a constant velocity of 8.4 m/s. What is the net force acting on the bike?
0
What force always pulls downward on objects
gravity
If you were to press your hands against a table with 60 N of force, how much force would the table be applying to you?
60 N
A car is coasting to a stop on a flat road. What force is responsible for causing the car to stop?
Friction
A 10 N force and a 15 N force are acting on a single point but in opposite directions. What additional force must be exerted to produce equilibrium?
5 N
What force(s) are acting on a large object falling to the ground?
Gravity and air resistance
Which law is described as the net force acting on an object is equal to the product of its mass and acceleration?
Newtons 2nd Law of Motion
A 50kg boy on a skateboard experiences a 75N force. What is his acceleration?
1.5 m/s2
A box sits at rest on an inclined plane that is frictionless. The net force acting on it is equal to .......
0
What is the net force?
The mass of a lawn mower is 40 kg. The applied force is 200 N to the left. The force of friction is 34 N to the right. What is the acceleration?
4.15 m/s2
You are carrying a tray with a glass on it. The tray accidentally hits the edge of the table. Although the tray does not tip, your glass still falls off the front of the tray. Which of Newton's Laws does this illustrate?
Newton's First Law
draw a freebody diagram of a block sliding down a frictionless inclined plane. Label all forces and component forces

A 3.3-kg block rests on a table. What is the magnitude of the normal force exerted by the table on the block?
32.3 N
What is the coefficient of friction?
0.1
A 1200 kg car comes to a stop from a speed of 25 m/s in 6.5 s. What braking force was required?
4615 N
What is the force of friction holding a 225 kg box at rest on a ramp that is inclined 25°?
932 N
A 3.45 object slides down a frictionless 28.3° inclined plane. What is the value of the Normal Force acting on the book?
29.8 N
A 15.0 kg block is pulled by a horizontal force of 30.0 N along a rough horizontal surface at constant velocity. What is the coefficient of friction?
0.2 N
A 520 kg wooden crate is on an inclined plane that is 15°. The coefficient of friction is 0.268. What is the force of friction?
1319N