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WorksheetsForces and Energy 0.1
Total questions: 20
Worksheet time: 10mins
Katrina and her sister are fighting, Katrina pushes the sofa towards her sister at 200 N.
Her sister however, pushes at 300 N.
Which side gets pushed past the other sibling?
Katrina
Her sister
If a man uses 150 Joules of energy to run a marathon and uses 40 Joules to play dress up with his 6 year old daughter,
how much Joules of energy does he use in total?
1.90 Joules
19.0 Joules
190 Newtons
190 Joules
Timmy is walking his dog to the store. He used 70 Joules of energy on the way to the store and uses 70 Joules of energy in the way back. How much Joules of energy does he use?
13.0 Joules
130 Newtons
130 Joules
If a roller coaster slows down at the bottom of a hill, what energy was the most responsible?
Friction
Gravity
Opposition Forces
Kinetic
If Señior Woofles eats some dog food and goes to play outside, what energy transfer is this?
Chemical to Kinetic
Kinetic to Chemical
Kinetic to Mechanical
Mechanical to Kinetic
Mary walks along the street with her lambs, suddenly someone tries to steal a lamb. They are pulling at 100 N.
Mary is pulling at 400 N.
How much is the net force?
50.0 Newtons
500 Newtons
300 Newtons
4100 Newtons
If Tommy is running at 30km and the truck beside him is driving at 20km, who is transferring more kinetic energy?
The Birds
The Truck
Tommy
If Jessica puts down her teapot on the table and leaves it there for 20 minutes, why is the table hot and not the teapot?
The energy undergoes a transfusion and is most ultimately consumed.
The energy is transferred to the table through thermal energy.
Ellie is fixing her bike. Her wheels are running.
She wants to fix the wheels so she stops them by dragging her finger along the wheel.
What energy is she transferring?
Kinetic to Friction
Kinetic to Chemical
Kinetic to Mechanical
Ms.Isra draws a diagram on the board, she drags her pen on the whiteboard. She stops and holds the pen up.
What energy transfusion is this?
Kinetic to Gravitational Potential
Gravitational Potential to Kinetic
Kinetic to Chemical
Chemical to Kinetic
If Dave uses 30 Joules of energy making noodles and 80 Joules of energy doing his daily singing lesson, what is the overall usage?
100 Joules
200 Joules
8030 Joules
110 Joules
Mary installs a battery fueled fan in her barn for her sheep.
She puts the batteries in and the fan starts to blow cold air.
What energy transfusion is this?
Chemical to Kinetic
Chemical to Mechanical
Chemical to thermal
Chemical to heat
If Josh holds a tire up in the air.
What energy is this?
Gravitational Potential
Mechanical
Kinetic
Chemical
What energy is this?
Mechanical
Heat
Chemical
Kinetic
What energy does a plug powered heater transfer?
Mechanical to Heat
Chemical to Heat
Electrical to Heat
You plug an ipad into its charger.
What energy transfusion is this?
Electrical to chemical.
Electrical to Heat and light
Electrical to Heat, light and sound
I push my fridge up against a wall, it doesn’t move.
Why?
The opposition force is equal to the fridge’s force.
Gravity is weighing it down too much to move.
The wall is moving with the wall.
A bird dives in the air, what force is happening to the bird?
Gravity and Air Resistance
Gravity
KFC
2 parachutes are floating, one big and one small.
Which one will go down faster?
The bigger one.
The smaller one.
What force keeps us to the ground?
Air Resistance
Friction
Gravity
