P3 Science · Chapter 17brightbit.net/worksheets
Forces — Pushes, Pulls, and Friction
Name: ______________________Class: ________Date: ____________Score: ____ / 10
- 1.
What is a force?
(a) A push or a pull on an object(b) The weight of an object(c) The speed of a moving object(d) The energy stored in an object
- 2.
Which of the following is an example of a PULLING force?
(a) Using a magnet to pull a paperclip(b) Kicking a football(c) Pressing a button(d) Pushing open a door
- 3.
What is friction?
(a) A force that opposes motion between two surfaces in contact(b) A force that attracts objects(c) A push that makes objects move faster(d) The weight of a moving object
- 4.
Which surface would produce the MOST friction?
(a) Rough sandpaper(b) Ice rink(c) Smooth glass(d) Oiled metal surface
- 5.
A book slides across a table and slows down. What force caused it to slow down?
(a) Friction between the book and the table(b) Gravity pulling it sideways(c) Air pressure(d) Magnetism
- 6.
Give ONE example where friction is USEFUL.
(a) Brakes on a bicycle slowing it down(b) A skier wanting to go faster(c) A machine needing less energy to run(d) A ball rolling further
- 7.
Give ONE example where friction is UNHELPFUL.
(a) Friction in a car engine causing wear and heat loss(b) Brakes stopping a car(c) Shoe soles gripping the floor(d) Screws holding wood together
- 8.
How does adding oil (lubricant) to a machine help?
(a) It reduces friction between moving parts, reducing wear and energy loss(b) It increases friction to make parts grip better(c) It cools the machine by absorbing heat(d) It makes the machine heavier
- 9.
Forces can change the shape of objects. Which is an example of this?
(a) Squashing a lump of clay(b) Pushing a toy car across a table(c) Kicking a football into the air(d) Pulling a door open
- 10.
State ONE way to REDUCE friction between two surfaces.
Answer: ____________________________________
Answer key — P3 Science: Forces — Pushes, Pulls, and Friction
For parents. Step-by-step explanations for every question are free on brightbit.net.
- 1.(a) A push or a pull on an object
- 2.(a) Using a magnet to pull a paperclip
- 3.(a) A force that opposes motion between two surfaces in contact
- 4.(a) Rough sandpaper
- 5.(a) Friction between the book and the table
- 6.(a) Brakes on a bicycle slowing it down
- 7.(a) Friction in a car engine causing wear and heat loss
- 8.(a) It reduces friction between moving parts, reducing wear and energy loss
- 9.(a) Squashing a lump of clay
- 10.Add a lubricant such as oil
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