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23 Nov 2019
1. can increase the speed of a moving particle.
2. can cause a moving particle to accelerate.
3. always exerts a force on a moving particle.
4. can exert a force on a stationary particle.
1. can increase the speed of a moving particle.
2. can cause a moving particle to accelerate.
3. always exerts a force on a moving particle.
4. can exert a force on a stationary particle.
Beverley SmithLv2
11 Feb 2019