Exploring Free-Body Diagrams and Forces

What is the net force acting on the bicyclist if he is accelerating to the right?

• 0 Newtons

• 120 Newtons

• 150 Newtons

• 60 Newtons

How much total force is acting on the right side of the bicyclist?

• 240 Newtons

• 60 Newtons

• 180 Newtons

• 120 Newtons

What is the combined force of weight and drag on the rocket?

• 100 Newtons

• 150 Newtons

• 130 Newtons

• 120 Newtons

What is the thrust needed to balance the rocket's motion if the net force is 20 Newtons?

• 130 Newtons

• 150 Newtons

• 170 Newtons

• 120 Newtons

If the rocket's speed is decreasing, what can be inferred about the forces acting on it?

• Forces are balanced

• Force acting forwards is larger

• No forces are acting

• Force acting backwards is larger

What is the drag force required to slow down the parachuter?

• 400 Newtons

• 700 Newtons

• 300 Newtons

• 1,000 Newtons

Why does the parachuter need a larger upward force?

• To maintain constant speed

• To increase speed

• Because he is moving upwards

• Because he is accelerating downwards

What is the net force acting on a bicyclist moving at a constant speed?

• 0 Newtons

• 50 Newtons

• 100 Newtons

• 150 Newtons

What does it mean when the forces on the bicyclist are balanced?

• The bicyclist is moving at a constant speed

• The bicyclist is stationary

• The bicyclist is decelerating

• The bicyclist is accelerating

What is the friction force acting on the bicyclist moving at a constant speed?

• 150 Newtons

• 50 Newtons

• 100 Newtons

• 0 Newtons