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A stuntman is jumping from the rear of a plane and free falling to the ground. There is a special landing pad designed to stop his fall with no injuries. In order to hit the pad should he jump before it, directly above it, or after it?
m/s^2 east
52 N north
The ball exerted a force on his hand. Newton's 3rd law.
100 N
Before the pad
.0005 N down the equipment
Kinectic Friction = 27 N; static friction = 50 N
750 N west
Mr. Sym was practicing pitching to Mr. Martin for the CA baseball game. Mr. Martin forgot his mit. When Mr. Martin caught the ball, he broke two bones in his hand. What exerted the force on his hand, and which of Newton's laws was responsible?
m/s^2 east
52 N north
The ball exerted a force on his hand. Newton's 3rd law.
100 N
Before the pad
.0005 N down the equipment
Kinectic Friction = 27 N; static friction = 50 N
750 N west
Kids are building a snowman. The mass of the ball is 40 kg. The static friction is 25 N. The kinetic friction is 12 N. With what force must they push in order to get it to accelerate at 1.0 m/s^2 north?
m/s^2 east
52 N north
The ball exerted a force on his hand. Newton's 3rd law.
100 N
Before the pad
.0005 N down the equipment
Kinectic Friction = 27 N; static friction = 50 N
750 N west
There is a new giant slide at Kemah. At the bottom, there is a long, flat stretch for the slider to stop. If you weigh 75 kg and your acceleration is 10 m/s^2 east, what is the kinetic frictional force between you and the slide.
m/s^2 east
52 N north
The ball exerted a force on his hand. Newton's 3rd law.
100 N
Before the pad
.0005 N down the equipment
Kinectic Friction = 27 N; static friction = 50 N
750 N west
When checking the observations on a lab report, one number read 27N and the number next to it read 50 N. The experiment was about static and kinectic friction. Which number represented the static friction and which was the kinetic friction?
m/s^2 east
52 N north
The ball exerted a force on his hand. Newton's 3rd law.
100 N
Before the pad
.0005 N down the equipment
Kinectic Friction = 27 N; static friction = 50 N
750 N west
If a problem asks for the acceleration, which of the following would be a correct answer for the units?
m/s^2 east
52 N north
The ball exerted a force on his hand. Newton's 3rd law.
100 N
Before the pad
.0005 N down the equipment
Kinectic Friction = 27 N; static friction = 50 N
750 N west
Mrs. C is moving the table at the front of the room again. If she is exerting a force of 100 N and it is moving at a constant velocity, what is the kinetic friction?
m/s^2 east
52 N north
The ball exerted a force on his hand. Newton's 3rd law.
100 N
Before the pad
.0005 N down the equipment
Kinectic Friction = 27 N; static friction = 50 N
750 N west
A rain drop with a mass of 0.001 kg is sliding down a piece of playground equipment. Its acceleration is 0.5 m/s^2. Ignoring friction how much force is pulling the drop down the equipment?
m/s^2 east
52 N north
The ball exerted a force on his hand. Newton's 3rd law.
100 N
Before the pad
.0005 N down the equipment
Kinectic Friction = 27 N; static friction = 50 N
750 N west
Check it!