WorksheetsGrade 8 Forces
Total questions: 8
Worksheet time: 5mins
Which one is not a contact force
Air Resistance
Friction
Gravity
Impact Force
Which one is the unit for force ?
Newton
Pascal
kg
psi
Which of the following best describes a force?
A push or pull that changes the speed or direction of an object
The tendency of an object to resist a change in its motion
Measure of an object's inertia
Direction and distance from a start point to an end point
Which is an accurate statement about friction forces?
Sliding friction is weaker than static friction
Static friction is the weakest type of friction
Sliding friction is the strongest type of friction
Sliding friction is weaker than rolling friction
Force acts on an object may change....
direction
shape
speed
all of the above
Friction can be increased by ___________
applying lubricants
using ball bearings
making rough surface
polish the surface
Which of the following is the advantage of frictional force?
produce heat
prevents from slipping while walking
slide easily
produce noise
