Forces
A force that requires two objects to physically touch each other.
Contact Force.
Every action has an equal and opposite ______.
Reaction.
This is a force that attracts objects with mass toward each other. It also keeps us on the ground.
Gravity
An object has a mass of 5 kg. Using g = 10 N/kg, calculate its weight.
50 N
I am a speedsters who wears a red outfit with a yellow lightning bolt. I am from central city.
The Flash
Non contact force
Inertia
This is the amount of matter in an object.
Mass
A basketball has a mass of 6 kg. If gravity is 10 N/kg, what is the basketball's weight?
60 N
Calculate the weight of a dumbbell that a mass of 10kg and uses earths gravity.
98.1kg
Name the contact force that acts against an objects sliding on a surface.
Friction.
The formula to calculate force is.
Force = mass x acceleration.
This is the force of gravity acting on an object.
Weight
A student has a mass of 45 kg. On Earth, gravity is approximately 10 N/kg. Calculate the student's weight.
450N
This is the main character in cars.
Lightning McQueen.
What type of force would a magnet use?
Magnetic force - non contact.
A car brakes quickly while an apple is sitting on the dash. Will the apple move forwards or backwards?
Forwards
The weight on an object would decrease when the strength of gravity is ______
Increased.
n object has a weight of 800 N on Earth. Using g = 10 N/kg, calculate its mass.
80kg
In Stranger Things, this character is known for her telekinetic powers and love of Eggo waffles.
Eleven
Name a Contact force and a Non-contact force.
Contact: Friction, Air Resistance, Tension.
Non: Gravity, Magnetic Force, Electrostatic Force.
A car's mass is 1000kg, it is accelerating at 10 metres per second. How much force does it have behind it.
10 000 N.
This is the unit of measurement for weight.
Newtons.
An astronaut on Jupiter has a mass of 100kg. The gravitational strength of Jupiter is 25 N/kg. What is the astronaut's weight.
2500 N.
This is the filming location of the Lord of the Rings and Hobbit.