Worksheetsgrade 4 , con 4 , lesson 4
Total questions: 8
Worksheet time: 4mins
All of the following examples can move by a pushing force, except
a ball.
a swing.
tug-of-war rope.
a car.
To stop a moving object we can apply a......... against it.
pushing force
gravity force
sound energy
light energy
Samir pushed his toy car that moved forward, to stop it he should.........
push it in the same moving direction.
pull it with a small force in the same moving direction.
pull it with a large force in the same moving direction.
push it in a direction opposite to its moving direction.
The work done is equal to the amount of........... transferred by a force that is used to move an object.
energy
friction
pushing
gravity
Put (✔) or (x): If a person moves a table through a distance, there is a work done.
True
False
Put (✔) or (x): Lifting a book upward needs more energy than pushing a truck.
True
False
Put (✔) or (x): If you try to open a door but you cannot open it, this means that work is done.
True
False
Put (✔) or (x): Hitting a tennis ball needs a pulling force.
True
False
