1st Law
2nd Law
Friction
Quick Maths
MLK Jr
100
When no forces act on a moving object in space, it will travel in a _____ _____
Straight Line
100
Whenever the net force on an object is zero, what must be true about the object's acceleration?
It must also be 0
100
What is the equation for friction?
FF = FN*μ
100
A block is at rest on a table and its weight is 58.8 N. What is its mass?
6.0 kg
100
Martin Luther King Jr was born with the name Michael King Jr, but it was changed in 1932 after his father took the family to Europe to see historical sites related to the Protestant reformer, Martin Luther, in Berlin in THIS country.
Germany
200
When you sit motionless on a swing, you suspend your body from a pair of vertical ropes. The tension in each rope will be ____ of your weight
1/2
200
What is the weight in Newtons of a 2.5kg mass on the Earth's surface?
24.5 N
200
Which direction does friction always act?
Opposite the direction of motion
200
What will be the normal force upwards on a block at rest on a table if its mass is 6 kg?
58.8 N
200
MLK Jr's most famous speech was delivered on the steps to the Lincoln Memorial, during the March on Washington for Freedom and Jobs, in August of 1963. The speech was not named, but is now known by this four word title - the most famous line from the speech.
I Have A Dream
300
A package falls off a truck that is moving horizontally at 2 m/s. Neglecting air resistance, the horizontal speed of the package just before it hits the ground is ________
2 m/s
300
A car has a mass of 200 kg and accelerates at 4 m/s/s. What net force is exerted on the car?
800N
300
D A I L Y
D O U B L E
*Jeopardy theme intensifies*
300
A 6.0 kg block is at rest on a table, and the coefficient of friction between the block and the table is 0.4. What is the maximum force of static friction that can be exerted?
23.52 N
300
D A I L Y
D O U B L E
*Jeopardy theme intensifies*
400
Two students engaged in a tug-of-war each pull a rope in opposite directions with a force of 500 N, and neither moves as a result. What is the tension in the rope?
500N
400
A contractor exerts a force upwards of 40 N on a bucket of concrete that weighs 20 N. If the concrete has a mass of 2 kg, what acceleration will it undergo?
10 m/s/s
400
What is the difference between static and kinetic friction?
Static = not moving
Kinetic = moving
400
A student with a mass of 60kg is pulled uniformly down the hallway on a skateboard by another student exerting a constant force of 150N. If there is a 30N force of friction between the skateboard and the floor, what acceleration will the student on the skateboard undergo?
2 m/s/s
400
MLK Jr became a nationally-known figure after standing with Rosa Parks during the Montgomery Bus Boycott in THIS state.
Alabama
500
A magician pulls the tablecloth out from beneath a fully set table, without disturbing any of the plates, forks, glasses, etc. How is this possible?
INERTIA
500
An object on Earth's surface, and an object's on the Moon's surface both have the same weight. Which has a larger mass?
The object on the moon.
500
A 4.5kg block is pulled by an applied force of 65N. If there is a coefficient of kinetic friction of 0.35 between the block and the table, what acceleration will it undergo?
11 m/s/s
500
President Lyndon Johnson meets with MLK in the cabinet room, where he explains the challenges in implementing the Civil Rights Act.
MLK stands being President Lyndon Johnson as he signs the Civil Rights Act into law.
"Out of a mountain of despair, a stone of hope."