Calculation of gravitational force - JSS1 Basic science Past Questions and Answers - page 1
What is force?
A push or pull that can change the state of motion of an object.
A type of energy
A form of matter
A type of wave
Which of the following is not a fundamental type of force?
Gravitational
Electromagnetic
Frictional
Strong nuclear
What law can be used to calculate the gravitational force between two masses?
Newton's Law of Motion
Ohm's Law
Newton's Law of Universal Gravitation
Kepler's Law
When two forces acting on an object cancel each other out, what is it called?
Balanced Forces
Unbalanced Forces
Static Forces
Dynamic Forces
If the forces acting on an object are unequal, causing a change in its motion, what is it called?
Balanced Forces
Unbalanced Forces
Static Forces
Dynamic Forces
Friction is a resistance force that opposes:
Gravity
Motion
Electricity
Sound
Which of the following is NOT a use of friction?
Walking
Driving vehicles
Reducing wear and tear
Writing with a pen
Friction helps to prevent:
Slipping
Acceleration
Expansion
Melting
What is one advantage of friction?
Increases energy efficiency
Causes slipping
Reduces grip
Prevents wear and tear
What is one disadvantage of friction?
Prevents slipping
Increases efficiency in machines
Causes wear and tear
Allows better grip
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