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WorksheetsForces quiz preparation
Total questions: 11
Worksheet time: 6mins
A car hits a wall at 300 N of force. The wall doesn't move. How do you explain what happened?
The wall pushes back with 1000N of force.
The wall pushes back with 300 N of force.
The wall pushes back with 500 N of force.
Walls are stationary, they can't push or pull.
If a car hits a wall and the wall doesn't move, what can you say about the forces?
The net force is greater than 0 because the wall could push back more.
There is no net force because a wall can't push or pull.
The net force is 0 because the car is not moving.
The net force is less than 0 because the car is pushing on the wall.
A soccer ball is sitting on the grass. What, if any, forces are acting on the ball?
Gravity is pulling the ball down while the grass is pushing back up with an equal force to the gravity.
Gravity is pulling the ball down.
There are no forces acting on the ball.
The grass is providing a friction force to the ball.
If two teams are playing tug of war, and Team A is pulling with 500 N of force while Team B is pulling with 550 N of force, how much more force will Team A need to exert in order to win?
50 N
25 N
More than 50 N
None, they are already winning.
Which one of these situations where the net force is 0 N?
A couch sliding across a frozen lake.
A couch coming to a stop on a frozen lake.
A couch falling through the ice.
A couch sitting still on a frozen lake.
True or false? A force is always a push.
True
False
True or false: Smoother surfaces create more friction, so to move something across a smooth surface you'd have to push harder.
True
False
True or false: force is always an interaction between two objects.
True
False
True or false: When a force sets an object in motion, the moving object has kinetic energy.
True
False
In order to move a game controller across the carpet, Student A had to push with 25 N of force. To move the same game controller across the coffee table, the student had to push with 10 N of force. Which has the smoother surface?
Coffee Table
Carpet
What is the net force?
6 N to the right
5 N to the left
1 N to the right
1 N
