Force? Net Force?
A person is pulling to the left on a dog's leash with 10 N of force and the dog is pulling to the right with 5 Newton's of force. What is the net force?
5 N
A car is easier to push than a bus. This is an example of which of Newton's Laws?
Newton's 2nd Law
A skier is going 30 m/s and speeds up to 50 m/s in 2 seconds. What is their acceleration?
10 m/s/s
A person pushes on a block and the block moves to the right. What does this mean about the forces acting on them?
They are unbalanced.
You are thrown off the front of a 4 wheeler when it runs into a fence. This is an example of which law of motion?
Newton's 1st Law (Inertia)
A ball that is 5kg is accelerated at 3 m/s/s. What was the force needed to accelerate this ball?
15 N
A cat pushes a cup to the right with 5 N of force. The friction on the cup is 8 N and there is a breeze blowing to the right with 3N of force. What is the net force? Is this balanced or unbalanced?
0 N, Balanced.
A kickball continues to roll until it hits the fence. This is an example of which law of motion?
Newton's 1st Law (Inertia)
A person bowls a ball with a force of 16N of force and is 4kg. How much did the ball accelerate?
4 m/s/s
A bird flaps its wings down to stay up in the air
Newton's 3rd Law
Students are measuring a turtles acceleration. The turtle starts at 25 m/s and ends up going 15 m/s in 5 seconds. What is the turtles acceleration?
A tractor is going in a straight line and suddenly turns. The passenger falls out of the tractor.
Newton's 1st Law