Show:
Name the Force
Mass and Weight
Speed
Mix
Definitions
100
Which force holds the earth in orbit around the sun?
Gravity
100
If my mass on earth is 80Kg, what is my mass on the moon?
80Kg
100
What is the speed of a car in miles per hour, if it travels 30 miles in 30 minutes
60mph
100
If an object is moving at a steady speed are the forces acting on it balanced or unbalanced?
Balanced
100
What is elastic deformation?
When an object is deformed by a force but still returns to its original shape when the force is removed?
200
What force is required for you to walk?
Friction
200
If my mass on the moon is 50Kg, what is my mass on Jupiter?
50Kg
200
What is the speed of a car in miles per hour if it travels 10 miles in 15 minutes
40mph
200
Give two examples where friction is useful
Standing up, when a car is decelerating etc.
200
What is streamlining?
Making an object into a shape where air resistance and friction are minimised
300
What force allows a parachutist to fall slowly?
Air resistance
300
If my mass on earth is 30Kg, what is my weight on earth?
300N
300
How far does a car travel in 20 minutes if it is travelling at a speed of 45 miles per hour?
15 miles
300
If a car is accelerating are the forces acting on it balanced or unbalanced?
Unbalanced
300
What is a force?
A push or a pull
400
What force enables boats to float?
Upthrust
400
If my weight on earth is 600N, what is my weight on the moon?
100N
400
What distance does a car travel in 90 minutes if it is travelling at 50 miles per hour?
75 miles
400
Give two examples when friction is a nuisance
When pushing something heavy along the ground. When a car wants to accelerate beyond maximum speed.
400
What are Newtons?
The unit for force
500
What force makes compasses point towards north?
Magnetism
500
If my mass on the moon is 30Kg, what is my weight on the moon?
50N
500
How long does it take a car to travel 30 miles if it is travelling at 40 miles per hour?
45 minutes
500
On a speed time graph, if there is part of the graph which is a horizontal line, what does that mean about the speed of the object?
Moving at a steady speed
500
What is relative speed?
The speed of the object in relation to your viewpoint and motion