WorksheetsForce, work and energy
Total questions: 24
Worksheet time: 13mins
In which of the following activities is force used for pulling?
Which of the statements is not true
Friction makes a moving object slow down
Friction decreases the roughness of an object
Friction enables on object to stay in a stationary position
Friction is opposite to the force
Which of the following can be done using muscular force?
Changing the direction of a moving object
Stopping a moving body
Changing one type of body to another type of body
Increasing or decreasing the speed of the body
What is the effect of force applied when a rubber band is stretched?
Change in direction
Change from rest to motion
Change in shape
Change in speed
Which energy is associated in the following:
Food is cooking on the stove
Heat
Electrical
Hydro
All the above
Read the statements carefully and choose the correct option:
Statement A: we get energy from the food we eat.
Statement B: we need energy to do work.
Statement A is correct B is wrong
Statement B is correct A is wrong
Both the statements are correct
Both the statements are wrong
Ability to do work is called
Force
Gravity
Energy
None of these
Substances that gets attracted towards magnet are
Magnetic
All
Plastic
Wooden
A football is kicked by a boy. It rolls on the ground to some distance and stops. The force which stops the ball is
Muscular force
Gravitational force
Mechanical force
Frictional force
Hydro energy: water :: solar energy : ??
Sun
Wind
Water
Moon
Frictional force is applied in which of the following cases?
A car moving on the road
Writing on a paper with pen
Walking on the road
All the above
Anitha is standing on the road, carrying a bag filled with vegetables, no work is done in this because:
Anitha is carrying a bag
Anitha is not sitting
There is not any change in the position of anitha
All the above
Which of the following is not a type of energy?
Sound
Solar
Friction
Heat
Sliding ride is an example for
Lever
Pulley
Inclined plane
None of the above
Which of the following is not a lever?
Scissors
Seesaw
Nut cracker
Bicycle pedal
The energy obtained from splitting of an atom is
Solar energy
Gravitational energy
Atomic energy
Geothermal energy
In which of the following the sound energy is not generated?
Radio
Guitar
Television
None of the above
In a battery cell, energy is stored in the form of
Electrical energy
Muscular energy
Chemical energy
Solar energy
Which of the following activities would need energy the most?
Riding a bicycle up a hill
Walking
Riding a bicycle on a level ground
Doing homework
The energy used for cycling comes from
The chemical energy of the food
The heat energy of our body
Sound energy
Light energy
Which of the following is not a source of energy?
The sun
Wind
Water
Gravity
In which of the following cases do you have to do more work?
Pushing a heavy table
Kicking a ball
Stopping a rolling ball
Pushing a cart
What is the energy change that takes place when an electric bulb is switched on?
Electrical energy is converted into light energy
Electrical energy is converted into chemical energy
Electrical energy is converted into sound energy
Electrical energy is converted into light and heat energy
In which of the following electrical energy is used to heat substances?
Microwave oven
Radio
Television
Fan
